Last change: 02.02.2024 10:23.
2023
; ; and : "Exploration of graphs with excluded minors", In: Proceedings of the 31st European Symposium on Algorithms (ESA), pp. 11:1–11:15, 2023. [bibtex]
; ; and : "Tight analysis of the lazy algorithm for open online dial-a-ride", In: Proceedings of the 18th International Algorithms and Data Structures Symposium (WADS), 2023. [bibtex]
; and : "Improved Bounds for Open Online Dial-a-Ride on the Line", Algorithmica, vol. 85, no. 5, pp. 1372–1414, 2023. [bibtex]
; and : "Point-to-point and milk run delivery scheduling: models, complexity results, and algorithms based on Benders decomposition", Annals of Operations Research, vol. 322, no. 1, pp. 467–496, 2023. [bibtex]
; and : "An exponential lower bound for Zadeh's pivot rule", Mathematical Programming, vol. 199, no. 1, pp. 865–936, 2023. [bibtex]
; ; ; ; and : "Breaking the Size Barrier: Universal Circuits meet Lookup Tables", In: Proceedings of the 29th International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT), 2023. [bibtex]
and : "The Space Complexity of Undirected Graph Exploration", Chapter in Algorithms for Big Data (Bast, H.; Korzen, C.; Meyer, U.; Penschuck, M., eds.), Springer, pp. 152–166, 2023. [bibtex]
; ; and : "Fractionally Subadditive Maximization under an Incremental Knapsack Constraint with Applications to Incremental Flows", SIAM Journal on Discrete Mathematics, 2023. [bibtex]
; ; and : "Incremental Maximization via Continuization", In: Proceedings of the 50th International Colloquium on Automata, Languages and Programming (ICALP), 2023. [bibtex]
and : "A unified worst case for classical simplex and policy iteration pivot rules", In: Proceedings of the 34th International Symposium on Algorithms and Computation (ISAAC), pp. 27:1-27:17, 2023. [bibtex]
and : "Unified Greedy Approximability beyond Submodular Maximization", SIAM Journal on Discrete Mathematics, 2023. [bibtex]
2022
; ; and : "An Improved Algorithm for Open Online Dial-a-Ride", In: Proceedings of the 20th Workshop on Approximation and Online Algorithms (WAOA), 2022. [bibtex]
; ; and : "General Bounds for Incremental Maximization", Mathematical Programming, vol. 191, no. 2, pp. 953–979, 2022. [bibtex]
; ; ; and : "On Sparse Hitting Sets, Fair Vertex Covers, and Shortest Path Covers", In: Proceedings of the 17th International Symposium on Parameterized and Exact Computation (IPEC), pp. 5:1–5:23, 2022. [bibtex]
and : "Unified Greedy Approximability Beyond Submodular Maximization", In: Proceedings of the 7th International Symposium on Combinatorial Optimization (ISCO), 2022. [bibtex]
; ; and : "Optimizing Fracture Propagation Using a Phase-Field Approach", Chapter in Non-Smooth and Complementarity-Based Distributed Parameter Systems (Hintermüller, Michael; Herzog, Roland; Kanzow, Christian; Ulbrich, Michael; Ulbrich, Stefan, eds.), Birkhäuser, pp. 329–351, 2022. [bibtex] [doi]
and : "An Optimal Control Problem for Equations with $p$-Structure and its Finite Element Discretization", Chapter in Optimization and Control for Partial Differential Equations (Herzog, Roland; Heinkenschloss, Matthias; Kalise, Dante; Stadler, Georg; Trélat, Emmanuel, eds.), De Gruyter, pp. 137–166, 2022. [bibtex] [doi]
and : "Pressure-robustness in the context of optimal control", Technical report, arXiv 2203.02224, 2022. [bibtex] [url]
2021
; ; ; ; and : "Recovery under Side Constraints", Technical report, arXiv, 2021. [bibtex] [url]
; ; and : "An Improved Lower Bound for Competitive Graph Exploration", Theoretical Computer Science, vol. 868, pp. 65–86, 2021. [bibtex]
; ; ; ; ; ; ; and : "Tight bounds for online TSP on the line", ACM Transactions on Algorithms, vol. 17, no. 1, pp. 3:1–3:58, 2021. [bibtex]
; and : "Finite element methods for one dimensional elliptic distributed optimal control problems with pointwise constraints on the derivative of the state", Optim. Eng., vol. 22, pp. 1989–2008, 2021. [bibtex] [doi]
; ; ; and : "Collaborative delivery on a fixed path with homogeneous energy-constrained agents", Theoretical Computer Science, vol. 868, pp. 87–96, 2021. [bibtex]
; ; ; ; ; ; ; ; ; and : "Efficient Fully Dynamic Elimination Forests with Applications to Detecting Long Paths and Cycles", In: Proceedings of the 32nd Annual ACM-SIAM Symposium on Discrete Algorithms (SODA), pp. 796–809, 2021. [bibtex]
; ; and : "Travelling on Graphs with Small Highway Dimension", Algorithmica, vol. 83, no. 5, pp. 1352–1370, 2021. [bibtex]
; and : "Fractionally Subadditive Maximization under an Incremental Knapsack Constraint", In: Proceedings of the 19th Workshop on Approximation and Online Algorithms (WAOA), pp. 206–223, 2021. [bibtex]
; ; ; ; ; ; and : "Identification of model uncertainty via optimal design of experiments applied to a mechanical press", Optimization and Engineering, vol. to appear, no. ?, 2021. [bibtex] [doi]
and : "Optimality conditions for convex stochastic optimization problems in Banach spaces with almost sure state constraint", SIAM J. Optim., vol. 31, no. 4, pp. 2455–2480, 2021. [bibtex] [doi]
and : "Combinatorial Acyclicity Models for Potential-based Flows", Networks, 2021. [bibtex] [doi]
; ; and : "Adaptive Numerical Simulation of a Phase-field Fracture Model in Mixed Form tested on an L-shaped Specimen with High Poisson Ratios", Chapter in Numerical Mathematics and Advanced Applications ENUMATH 2019 (Vermolen, F.J.; Vuik, C., eds.), Springer, pp. 1185–1193, 2021. [bibtex] [doi]
; ; and : "Ambiguities in Direction-of-Arrival Estimation with Linear Arrays", Technical report, arXiv, 2021. [bibtex] [url]
and : "Presolving for Mixed-Integer Semidefinite Optimization", Technical report, Optimization Online, 2021. [bibtex] [html]
and : "A Priori Error Estimates for a Linearized Fracture Control Problem", Optim. Eng., vol. 22, pp. 2127–2149, 2021. [bibtex] [doi]
; ; ; ; ; and : "Validation of an Optimized Resilient Water Supply System", In: Uncertainty in Mechanical Engineering (Pelz, Peter F.; Groche, Peter, eds.), Springer, Cham, pp. 70–80, 2021. [bibtex] [doi]
"Mastering Uncertainty in Mechanical Engineering", Springer, 2021. [bibtex]
; and : "The Cost of Not Knowing Enough: Mixed-Integer Optimization with Implicit Lipschitz Nonlinearities", Optim. Lett., 2021. [bibtex] [doi]
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; and : "A Selection of Benchmark Problems in Solid Mechanics and Applied Mathematics", Arch. Comput. Methods Eng., vol. 28, pp. 713–751, 2021. [bibtex] [doi]
and : "A posteriori estimator for the adaptive solution of a quasi-static fracture phase-field model with irreversibility constraints", Technical report, arXiv 2106.09469, 2021. [bibtex] [url]
and : "Optimization with nonstationary, nonlinear monolithic fluid-structure interaction", Int. J. Numer. Methods Eng., vol. 122, no. 19, pp. 5430–5449, 2021. [bibtex] [doi]
and : "Detection of Model Uncertainty in the Dynamic Linear-Elastic Model of Vibrations in a Truss", In: Uncertainty in Mechanical Engineering (Pelz, Peter F.; Groche, Peter, eds.), Springer International Publishing, Cham, pp. 281–295, 2021. [bibtex]
; ; ; and : "Optimal Sensor Placement in District Heating Networks for Bayesian Inference of Uncertain Demands", In: Uncertainty Quantification in Computational Sciences and Engineering (Papadrakakis, M.; Papadopoulos, V.; Stefanou, G., eds.), Eccomas Proceedia, pp. 178–193, 2021. [bibtex] [doi]
2020
; ; ; ; ; ; and : "Collaborative delivery with energy-constrained mobile robots", Theoretical Computer Science, vol. 810, pp. 2–14, 2020. [bibtex]
; ; ; and : "Adaptive and Pressure-Robust Discretization of Incompressible Pressure-Driven Phase-Field Fracture", Technical report, arXiv 2006.16566, 2020. [bibtex] [url]
and : "Tight analysis of the Smartstart algorithm for online Dial-a-Ride on the line", SIAM Journal on Discrete Mathematics, vol. 34, no. 2, pp. 1409–1443, 2020. [bibtex]
; and : "A One Dimensional Elliptic Distributed Optimal Control Problem with Pointwise Derivative Constraints", Numer. Funct. Anal. Optim., vol. 41, no. 13, pp. 1549–1563, 2020. [bibtex] [doi]
; ; ; and : "Semi-automatically optimized calibration of internal combustion engines", Optim. Eng., vol. 21, no. 1, pp. 73–106, 2020. [bibtex] [url] [doi]
; ; and : "Differentiability results and sensitivity calculation for optimal control of incompressible two-phase Navier-Stokes equations with surface tension", Technical report, Department of Mathematics, TU Darmstadt, 2020. [bibtex]
; ; ; ; ; ; and : "Hiring Secretaries over Time: The Benefit of Concurrent Employment", Mathematics of Operations Research, vol. 45, no. 1, pp. 323–352, 2020. [bibtex]
; ; ; and : "Recoloring Interval Graphs with Limited Recourse Budget", In: Proceedings of the 17th Scandinavian Symposium and Workshops on Algorithm Theory (SWAT), pp. 17(23), 2020. [bibtex]
and : "The Complexity of Computing a Robust Flow", Operations Research Letters, vol. 48, no. 1, pp. 18–23, 2020. [bibtex]
; ; ; and : "A general lower bound for collaborative tree exploration", Theoretical Computer Science, vol. 811, pp. 70–78, 2020. [bibtex]
; ; ; and : "Multigoal-oriented optimal control problems with nonlinear PDE constraints", Comput. Math. Appl., vol. 79, no. 10, pp. 3001–3026, 2020. [bibtex] [doi]
and : "On the Structure of Linear Programs with Overlapping Cardinality Constraints", Discrete Applied Mathematics, pp. 42–68, 2020. [bibtex] [doi]
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; and : "The SCIP Optimization Suite 7.0", Technical report, Optimization Online, 2020. [bibtex]
; ; and : "Quasi-best approximation in optimization with PDE constraints", Inverse Problems, vol. 36, no. 1, pp. 014004, 2020. [bibtex] [doi]
and : "A Stochastic Gradient Method with Mesh Refinement for PDE Constrained Optimization under Uncertainty", SIAM J. Sci. Comput., vol. 42, no. 5, pp. A2750–A2772, 2020. [bibtex] [doi]
; and : "Analysis of shape optimization problems for unsteady fluid-structure interaction", Inverse Problems, vol. 36, no. 1, pp. 034001, 2020. [bibtex] [url] [doi]
; ; and : "Block-sparse recovery of semidefinite systems and generalized null space conditions", Linear Algebra and its Applications, vol. 603, pp. 470–495, 2020. [bibtex] [doi]
; ; ; ; ; and : "Knapsack polytopes: a survey", Annals of Operations Research, vol. 292, no. 1, pp. 469–517, 2020. [bibtex] [doi]
; ; and : "Packing Under Convex Quadratic Constraints", In: Integer Programming and Combinatorial Optimization (Bienstock, Daniel; Zambelli, Giacomo, eds.), Springer, pp. 266–279, 2020. [bibtex] [doi]
; ; and : "Sparse recovery with integrality constraints", Discrete Applied Mathematics, vol. 283, pp. 346–366, 2020. [bibtex] [doi]
; and : "A Phase-Field Model for Fractures in Incompressible Solids", Comput. Mech., vol. 65, no. 1, pp. 61–78, 2020. [bibtex] [doi]
and : "IPBoost–Non-Convex Boosting via Integer Programming", Chapter in Proceedings of Machine Learning and Systems 2020, pp. 8932–8941, 2020. [bibtex]
and : "Exploiting Partial Convexity of Pump Characteristics in Water Network Design", Chapter in Operations Research Proceedings (Neufeld, Janis S.; Buscher, Udo; Lasch, Rainer; Möst, Dominik; Schönberger, Jörn, eds.), Springer, 2020. [bibtex] [doi]
: "A Detailed Assessment of Model Form Uncertainty in a Load-Carrying Truss Structure", In: Model Validation and Uncertainty Quantification, Volume 3 (Mao, Zhu, ed.), Springer International Publishing, Cham, pp. 303–314, 2020. [bibtex]
2019
; ; ; ; ; ; and : "Scheduling maintenance jobs in networks", Theoretical Computer Science, vol. 754, pp. 107–121, 2019. [bibtex]
; ; ; and : "A certified model reduction approach for robust parameter optimization with PDE constraints", Adv. Comput. Math., vol. 45, no. 3, pp. 1221–1250, 2019. [bibtex] [url] [doi]
; ; and : "Resilient layout, design and operation of energy-efficient water distribution networks for high-rise buildings using MINLP", Optimization and Engineering, vol. 20, no. 2, pp. 605–645, 2019. [bibtex] [doi]
; and : "Duality based error estimation in the presence of discontinuities", Appl. Numer. Math., vol. 144, pp. 83–99, 2019. [bibtex] [doi]
; ; ; ; and : "Distance-preserving graph contractions", SIAM Journal on Discrete Mathematics, vol. 33, no. 3, pp. 1607–1636, 2019. [bibtex]
and : "Tight analysis of the Smartstart algorithm for online Dial-a-Ride on the line", In: Proceedings of the 36th International Symposium on Theoretical Aspects of Computer Science (STACS), pp. 15(17), 2019. [bibtex]
; and : "Improved Bounds for Open Online Dial-a-Ride on the Line", In: Proceedings of the 22nd International Workshop on Approximation Algorithms for Combinatorial Optimization Problems (APPROX), pp. 21(22), 2019. [bibtex]
; ; ; ; ; and : "Maximizing the storage capacity of gas networks: a global MINLP approach", Optimization and Engineering, vol. 20, pp. 543–573, 2019. [bibtex] [doi]
; ; ; and : "Collaborative Delivery on a Fixed Path with Homogeneous Energy-Constrained Robots", In: Proceedings of the 26th International Colloquium on Structural Information and Communication Complexity (SIROCCO), pp. 139–153, 2019. [bibtex]
; ; and : "Travelling on Graphs with Small Highway Dimension", In: Proceedings of the 45th International Workshop on Graph-Theoretic Concepts in Computer Science (WG), pp. 175–189, 2019. [bibtex]
; and : "Tight bounds for undirected graph exploration with pebbles and multiple agents", Journal of the ACM, vol. 66, no. 6, pp. 40(41), 2019. [bibtex]
and : "On Friedmann's Subexponential Lower Bound for Zadeh's Pivot Rule", In: Proceedings of the 20th Conference on Integer Programming and Combinatorial Optimization (IPCO), pp. 168–180, 2019. [bibtex]
; and : "The minimum feasible tileset problem", Algorithmica, vol. 81, no. 3, pp. 1126–1151, 2019. [bibtex]
and : "Evacuating Two Robots from a Disk: A Second Cut", In: Proceedings of the 26th International Colloquium on Structural Information and Communication Complexity (SIROCCO), pp. 200–214, 2019. [bibtex]
; ; ; and : "Mesh adaptivity and error estimates applied to a regularized $p$-Laplacian constrainted optimal control problem for multiple quantities of interest", In: PAMM, WILEY-VCH Verlag, 2019. [bibtex] [doi]
; ; ; and : "Algorithmic results for potential-based flows: Easy and hard cases", Networks, vol. 73, no. 3, pp. 306–324, 2019. [bibtex] [doi]
; and : "Global optimization of mixed-integer ODE constrained network problems using the example of stationary gas transport", SIAM J. Optim., vol. 29, no. 4, pp. 2949–2985, 2019. [bibtex] [url] [doi]
; and : "Total variation diminishing schemes in optimal control of scalar conservation laws", IMA J. Numer. Anal., vol. 39, no. 1, pp. 105–140, 2019. [bibtex] [url] [doi]
; and : "Higher regularity for solutions to elliptic systems in divergence form subject to mixed boundary conditions", Ann. Mat. Pura Appl., vol. 198, no. 4, pp. 1227–1241, 2019. [bibtex] [doi]
; ; and : "An inexact bundle method and subgradient computations for optimal control of deterministic and stochastic obstacle problems", Technical report, , 2019. [bibtex]
; and : "Sparsity of integer formulations for binary programs", Operations Research Letters, vol. 47, no. 5, pp. 348–352, 2019. [bibtex] [doi]
and : "Polytopes Associated With Symmetry Handling", Mathematical Programming, vol. 175, no. 1, pp. 197–240, 2019. [bibtex] [doi]
; and : "Irreducible Infeasible Subsystems of Semidefinite Systems", Journal of Optimization Theory and Applications, vol. 181, no. 3, pp. 727–742, 2019. [bibtex] [doi]
; ; and : "Approximate lumpability for Markovian agent-based models using local symmetries", Journal of Applied Probability, vol. 56, no. 3, pp. 647–671, 2019. [bibtex]
; ; and : "Mesh adaptivity for quasi-static phase-field fractures based on a residual-type a posteriori error estimator", GAMM Mitteilungen, vol. 43, no. 1, 2019. [bibtex] [doi]
; and : "An Optimal Control Problem Governed by a Regularized Phase-field Fracture Propagation Model. Part II The Regularization Limit", SIAM J. Control Optim., vol. 3, no. 57, pp. 1672–1690, 2019. [bibtex] [doi]
and : "A Computational Comparison of Symmetry Handling Methods for Mixed Integer Programs", Mathematical Programming Computation, vol. 11, no. 1, pp. 37–93, 2019. [bibtex] [doi]
and : "Computation of a Bouligand generalized derivative for the solution operator of the obstacle problem", SIAM J. Control Optim., vol. 57, no. 5, pp. 3223–3248, 2019. [bibtex] [url] [doi]
and : "Generalized Derivatives for the Solution Operator of the Obstacle Problem", Set-Valued Var. Anal, 2019. [bibtex] [url] [doi]
; and : "A Decomposition Method for MINLPs with Lipschitz Continuous Nonlinearities", Math. Program., vol. 178, no. 1-2, pp. 449–483, 2019. [bibtex] [doi]
and : "On the Differentiability of Stationary Fluid-Structure Interaction Problems with Respect to the Problem Data", J. Math. Fluid Mech., vol. 21, no. 3, 2019. [bibtex] [doi]
2018
; ; and : "Maschinelles Design eines optimalen Getriebes", ATZ – Automobiltechnische Zeitschrift, vol. 120, no. 10, pp. 72–77, 2018. [bibtex] [doi]
; ; ; ; and : "A Mixed-Integer Nonlinear Program for the Design of Gearboxes", In: Operations Research Proceedings 2016 (Fink, Andreas; Fügenschuh, Armin; Geiger, Martin Josef, eds.), Springer, Cham, pp. 227–233, 2018. [bibtex] [doi]
; ; and : "Algorithmic Design and Resilience Assessment of Energy Efficient High-Rise Water Supply Systems", In: Uncertainty in Mechanical Engineering III, Trans Tech Publications, pp. 211–223, 2018. [bibtex] [doi]
; ; ; ; and : "Distance-preserving graph contractions", In: Proceedings of the 9th Innovations in Theoretical Computer Science conference (ITCS), pp. 51(14), 2018. [bibtex]
; ; and : "Solving MIPs via scaling-based augmentation", Discrete Optimization, vol. 27, pp. 1–25, 2018. [bibtex] [doi]
; ; and : "Smooth polytopes with negative Ehrhart coefficients", Journal of Combinatorial Theory, Series A, vol. 160, pp. 316 - 331, 2018. [bibtex] [url] [doi]
and : "The simplex algorithm is NP-mighty", ACM Transactions on Algorithms, vol. 15, no. 1, pp. 5(19), 2018. [bibtex]
; ; ; ; and : "Joint Antenna Selection and Phase-only Beamforming using Mixed-Integer Nonlinear Programming", In: WSA 2018: 22nd International ITG Workshop on Smart Antennas, 2018. [bibtex]
and : "Branch-and-cut for linear programs with overlapping SOS1 constraints", Mathematical Programming Computation, vol. 10, no. 1, pp. 33–68, 2018. [bibtex] [doi]
; ; ; and : "Optimal Placement of Active Bars for Buckling Control in Truss Structures under Bar Failures", In: Uncertainty in Mechanical Engineering III, Trans Tech Publications, pp. 119–130, 2018. [bibtex] [doi]
; and : "A framework for solving mixed-integer semidefinite programs", Optim. Methods Softw., vol. 33, no. 3, pp. 594–632, 2018. [bibtex] [url] [doi]
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; and : "The SCIP Optimization Suite 5.0", Technical report, Optimization Online, 2018. [bibtex]
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; and : "The SCIP Optimization Suite 6.0", Technical report, Optimization Online, 2018. [bibtex]
; and : "On the complexity of instationary gas flows", Operations Research Letters, vol. 46, no. 3, pp. 286–290, 2018. [bibtex] [doi]
; and : "A framework for solving mixed-integer semidefinite programs", Optim. Methods Softw., vol. 33, no. 3, pp. 594–632, 2018. [bibtex] [url] [doi]
; and : "Extended Formulations for Column Constrained Orbitopes", In: Operations Research Proceedings 2017 (Kliewer, Natalia; Ehmke, Jan Fabian; Borndörfer, Ralf, eds.), Springer, Cham, pp. 197–203, 2018. [bibtex] [doi]
and : "Complexity of minimum irreducible infeasible subsystem covers for flow networks", Discrete Applied Mathematics, vol. 244, pp. 124–142, 2018. [bibtex] [doi]
; and : "An approach for robust PDE-constrained optimization with application to shape optimization of electrical engines and of dynamic elastic structures under uncertainty", Optim. Eng., vol. 19, no. 3, pp. 697–731, 2018. [bibtex] [url] [doi]
; and : "A Priori Error Estimates for State Constrained Semilinear Parabolic Optimal Control Problems", J. Optim. Theory Appl., vol. 178, no. 2, pp. 317–348, 2018. [bibtex] [doi]
and : "A Priori $L^2$-Discretization Error Estimates for the State in Elliptic Optimization Problems with Pointwise Inequality State Constraints", Numer. Math., vol. 138, no. 2, pp. 273–299, 2018. [bibtex] [doi]
and : "An optimization framework for the computation of time-periodic solutions of partial differential equations", Vietnam J. Math., vol. 46, no. 4, pp. 949–966, 2018. [bibtex] [doi]
; ; and : "Convergence of a Scholtes-type regularization method for cardinality-constrained optimization problems with an application in sparse robust portfolio optimization", Computational Optimization and Applications, vol. 70, no. 2, pp. 503-530, 2018. [bibtex]
; ; ; and : "A Generalized Nash Game for Mobile Edge Computation Offloading", Proceedings - 6th IEEE International Conference on Mobile Cloud Computing, Services, and Engineering, MobileCloud 2018, vol. 2018-January, pp. 95-102, 2018. [bibtex]
; and : "A Compact Formulation for the $\ell_{2,1}$ Mixed-Norm Minimization Problem", Transactions on Signal Processing, vol. 66, no. 6, pp. 1483–1497, 2018. [bibtex] [doi]
: "Optimization of phase-field damage and fracture - and its discretization", Chapter in Oberwolfach Rep., Eur. Math. Soc. EMS Publ. House, pp. 3292–3293, 2018. [bibtex] [doi]
: "polyDB: A Database for Polytopes and Related Objects", Chapter in Algorithmic and Experimental Methods in Algebra, Geometry, and Number Theory (Böckle, Gebhard; Decker, Wolfram; Malle, Gunter, eds.), Springer, 2018. [bibtex] [doi]
and : "Second-Order Optimality Conditions and Improved Convergence Results for Regularization Methods for Cardinality-Constrained Optimization Problems", Journal of Optimization Theory and Applications, Springer Nature, vol. 178, no. 2, pp. 383–410, 2018. [bibtex] [url] [doi]
2017
; ; ; ; ; ; and : "Scheduling maintenance jobs in networks", In: Proceedings of the 10th International Conference on Algorithms and Complexity (CIAC), pp. 19–30, 2017. [bibtex]
; ; and : "Optimale Getriebe auf Knopfdruck: Gemischt-ganzzahlige nichtlineare Optimierung zur Entscheidungsunterstützung bei der Auslegung von Getrieben für Kraftfahrzeuge", Tagungsband Antriebstechnisches Kolloquium ATK 2017 (Jacobs, G., ed.), 2017. [bibtex] [url]
; ; ; ; ; and : "Energy-efficient delivery by heterogenous mobile agents", In: Proceedings of the 34th International Symposium on Theoretical Aspects of Computer Science (STACS), pp. 10(14), 2017. [bibtex]
; and : "General bounds for incremental maximization", In: Proceedings of the 44th International Colloquium on Automata, Languages, and Programming (ICALP), pp. 43(14), 2017. [bibtex]
; ; ; ; ; ; ; and : "Tight bounds for online TSP on the line", In: Proceedings of the 28th Annual ACM-SIAM Symposium on Discrete Algorithms (SODA), pp. 994-1005, 2017. [bibtex]
and : "Geometric reconstruction problems", Chapter in Handbook of Discrete and Computational Geometry, Third Edition (Goodman, J.E.; O'Rourke, J.; Tóth, C.D., eds.), CRC Press LLC, 2017. [bibtex]
; ; and : "Packing a knapsack of unknown capacity", SIAM Journal on Discrete Mathematics, vol. 31, no. 3, pp. 1477-1497, 2017. [bibtex]
and : "Robust and adaptive search", In: Proceedings of the 34th International Symposium on Theoretical Aspects of Computer Science (STACS), pp. 26(14), 2017. [bibtex]
; ; ; and : "A general lower bound for collaborative tree exploration", In: Proceedings of the 24th International Colloquium on Structural Information and Communication Complexity (SIROCCO), pp. 125–139, 2017. [bibtex]
; and : "Numerical optimal control of instationary gas transport with control and state constraints", Technical report, SFB-TRR 154, 2017. [bibtex] [url]
and : "Monoidal Cut Strengthening and Generalized Mixed-Integer Rounding for Disjunctive Programs", Operations Research Letters, vol. 45, no. 6, pp. 556–560, 2017. [bibtex] [doi]
; ; and : "Fréchet differentiability of unsteady incompressible Navier-Stokes flow with respect to domain variations of low regularity by using a general analytical framework", SIAM J. Control Optim., vol. 55, no. 5, pp. 3226–3257, 2017. [bibtex] [url] [doi]
; and : "A Framework for Solving Mixed-Integer Semidefinite Programs", Optimization Methods and Software, vol. 33, no. 3, pp. 594–632, 2017. [bibtex] [doi]
; and : "DOpElib: Differential Equations and Optimization Environment; A Goal Oriented Software Library for Solving PDEs and Optimization Problems with PDEs", Archive of Numerical Software, vol. 5, no. 2, pp. 1–14, 2017. [bibtex] [doi]
and : "The isothermal Euler equations for ideal gas with source term: product solutions, flow reversal and no blow up", J. Math. Anal. Appl., vol. 454, no. 1, pp. 439–452, 2017. [bibtex] [url] [doi]
; and : "Joint active device identification and symbol detection using sparse constraints in massive MIMO systems", In: Proc.\ 25th European Signal Processing Conference (EUSIPCO), 2017. [bibtex] [doi]
and : "A Conjugate Direction Method for Linear Systems in Banach Spaces", J. Inverse Ill-Posed Probl., vol. 25, no. 5, pp. 553–572, 2017. [bibtex] [doi]
; and : "The full Keller-Segel model is well-posed on nonsmooth domains", Technical report, , 2017. [bibtex] [pdf]
; and : "Multiobjective PDE-constrained optimization using the reduced-basis method", Adv. Comput. Math., vol. 43, no. 5, pp. 945–972, 2017. [bibtex] [url] [doi]
and : "Model order reduction techniques with a posteriori error control for nonlinear robust optimization governed by partial differential equations", SIAM J. Sci. Comput., vol. 39, no. 5, pp. S112–S139, 2017. [bibtex] [url] [doi]
; and : "Optimal $L^2$ Velocity Error Estimates for a Modified Pressure-Robust Crouzeix-Raviart Stokes Element", IMA J. Numer. Anal., vol. 37, no. 1, pp. 354–374, 2017. [bibtex] [doi]
; ; ; ; ; ; ; and : "Finding the Best: Mathematical Optimization Based on Product and Process Requirements", Chapter in Manufacturing Integrated Design: Sheet Metal Product and Process Innovation (Groche, Peter; Bruder, Enrico; Gramlich, Sebastian, eds.), Springer International Publishing, Cham, pp. 147–200, 2017. [bibtex] [doi]
; ; ; ; ; and : "Computing convex hulls and counting integer points with \tt polymake", Math. Program. Comput., vol. 9, no. 1, pp. 1–38, 2017. [bibtex] [url] [doi]
; ; and : "Toric geometry in polymake", ACM Commun. Comput. Algebra, vol. 51, no. 3, pp. 92–94, 2017. [bibtex]
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; and : "The SCIP Optimization Suite 4.0", Technical report, Optimization Online, 2017. [bibtex] [html]
; and : "Optimal Control of the Thermistor Problem in Three Spatial Dimensions, Part 1: Existence of Optimal Solutions", Technical report, , 2017. [bibtex] [pdf]
; and : "Optimal Control of the Thermistor Problem in Three Spatial Dimensions, Part 2: Optimality Conditions", SIAM J. Control Optim., vol. 55, no. 4, pp. 2368–2392, 2017. [bibtex] [url] [doi]
; and : "An Optimal Control Problem Governed by a Regularized Phase-Field Fracture Propagation Model", SIAM J. Control Optim., vol. 55, no. 4, pp. 2271–2288, 2017. [bibtex] [doi]
and : "Optimal control of scalar conservation laws by on/off-switching", Optim. Methods Softw., vol. 32, no. 4, pp. 904–939, 2017. [bibtex] [url] [doi]
; ; ; ; ; ; ; ; ; ; and : "GasLib – A Library of Gas Network Instances", Data, vol. 2, no. 4, pp. Article 40, 2017. [bibtex] [url] [doi]
; and : "A compact formulation for the $\ell_{2,1}$ mixed-norm minimization problem", In: 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 4730–4734, 2017. [bibtex] [doi]
and : "Computing the Spark of a Matrix", In: Proc.\ SPARS 2017 (Figueiredo, Mário A. T.; Plumbley, Mark, eds.), 2017. [bibtex]
; and : "A multigrid semismooth Newton method for semilinear contact problems", J. Comput. Math., vol. 35, no. 4, pp. 486–528, 2017. [bibtex] [url] [doi]
and : "Adaptive multilevel trust-region methods for time-dependent PDE-constrained optimization", Port. Math., vol. 74, no. 1, pp. 37–67, 2017. [bibtex] [url] [doi]
2016
; ; ; ; ; ; and : "Collaborative delivery with energy-constrained mobile robots", In: Proceedings of the 23rd International Colloquium on Structural Information and Communication Complexity (SIROCCO), pp. 258-274, 2016. [bibtex]
; ; and : "Scheduling transfers of resources over time: Towards car-sharing with flexible drop-offs", In: Proceedings of the 12th Latin American Theoretical Informatics Symposium (LATIN), pp. 220–234, 2016. [bibtex]
: "Adaptive SQP Method with Reduced Order Models for Optimal Control Problems with Constraints on the State Applied to the Navier-Stokes Equations", Dr. Hut Verlag, 2016. [bibtex]
; and : "Undirected graph exploration with ${\Theta}(\log\log n)$ pebbles", In: Proceedings of the 27th Annual ACM-SIAM Symposium on Discrete Algorithms (SODA), pp. 25-39, 2016. [bibtex]
and : "Degree-constrained orientations of embedded graphs", Journal of Combinatorial Optimization, vol. 3, pp. 758-773, 2016. [bibtex]
; ; ; and : "Gearbox Design via Mixed-Integer Programming", In: Proc. VII European Congress on Computational Methods in Applied Sciences and Engineering (Papadrakakis, M.; Papadopoulos, V.; Stefanou, G.; Plevris, V., eds.), pp. 8294–8304, 2016. [bibtex] [doi]
; ; and : "Fréchet Differentiability of Unsteady Incompressible Navier-Stokes Flow with Respect to Domain Variations of Low Regularity by Using a General Analytical Framework", Technical report, Department of Mathematics, TU Darmstadt, 2016. [bibtex]
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; and : "The SCIP Optimization Suite 3.2", Technical report, Optimization Online, 2016. [bibtex]
and : "Computing Restricted Isometry Constants via Mixed-Integer Semidefinite Programming", Technical report, Optimization Online, 2016. [bibtex] [html]
and : "A Polyhedral Investigation of Star Colorings", Discrete Applied Mathematics, vol. 208, pp. 59–78, 2016. [bibtex] [url]
; and : "A characterization of irreducible infeasible subsystems in flow networks", Networks, vol. 68, no. 2, pp. 121–129, 2016. [bibtex] [doi]
and : "Model order reduction techniques with a posteriori error control for nonlinear robust optimization governed by partial differential equations", SIAM Journal on Scientific Computing, 2016. [bibtex]
and : "Hölder-estimates for non-autonomous parabolic problems with rough data", Evol. Equ. Control Theory, vol. 6, no. 1, pp. 147-184, 2016. [bibtex] [url] [doi]
; ; and : "Decentralized Dynamic Data-driven Monitoring of Atmospheric Dispersion Processes", Procedia Computer Science, vol. 80, no. , pp. 919–930, 2016. [bibtex] [url] [doi]
; ; ; ; ; and : "A Fast, Massively Parallel Solver for Large, Irregular Pairwise Markov Random Fields", In: Proc. High Performance Graphics, 2016. [bibtex]
2015
; ; ; ; ; ; ; and : "Finitely many smooth d-polytopes with n lattice points", Israel Journal of Mathematics, The Hebrew University Magnes Press, pp. 1-29, 2015. [bibtex] [url] [doi]
; ; and : "Model order reduction approaches for the optimal design of permanent magnets in electro-magnetic machines", IFAC-PapersOnLine, vol. 48, no. 1, pp. 242 – 247, 2015. [bibtex]
; ; and : "Time-varying process control for stringer sheet forming by a deterministic derivative-free optimization approach", The International Journal of Advanced Manufacturing Technology, Springer London, 2015. [bibtex] [doi]
; ; ; and : "Interval selection on unrelated machines", In: Proceedings of the 12th Workshop on Models and Algorithms for Planning and Scheduling Problems (MAPSP), 2015. [bibtex]
; and : "On a Reformulation of Mathematical Programs with Cardinality Constraints", Chapter in Advances in Global Optimization (Gao, David; Ruan, Ning; Xing, Wenxun, eds.), Springer International Publishing, pp. 3–14, 2015. [bibtex]
; ; ; and : "Mapping simple polygons: The power of telling convex from reflex", ACM Transactions on Algorithms, vol. 11, pp. 33(16), 2015. [bibtex]
; ; ; and : "Fast collaborative graph exploration", Information and Computation, vol. 243, pp. 37-49, 2015. [bibtex]
; ; and : "Improving the ${H}_k$-Bound on the price of stability in undirected shapley network design games", Theoretical Computer Science, vol. 562, pp. 557-564, 2015. [bibtex]
; and : "Scheduling bidirectional traffic on a path", In: Proceedings of the 42nd International Colloquium on Automata, Languages, and Programming (ICALP), pp. 406–418, 2015. [bibtex]
; and : "Max shortest path for imprecise points", In: Proceedings of the 30th European Workshop on Computational Geometry (EuroCG), 2015. [bibtex]
and : "The simplex algorithm is NP-mighty", In: Proceedings of the 26th ACM-SIAM Symposium on Discrete Algorithms (SODA), pp. 858-872, 2015. [bibtex]
; and : "Centralized ensemble-based trajectory planning of cooperating sensors for estimating atmospheric dispersion processes", In: Dynamic Data-Driven Environmental Systems Science: First International Conference, DyDESS 2014, Cambridge, MA, USA, November 5–7, 2014, Revised Selected Papers (Ravela, S.; Sandu, A., eds.), Springer, pp. 322–333, 2015. [bibtex]
; ; ; ; and : "Robust Truss Topology Design with Beam Elements via Mixed Integer Nonlinear Semidefinite Programming", In: Uncertainty in Mechanical Engineering II (Pelz, Peter F.; Groche, Peter, eds.), Trans Tech Publications, pp. 229–238, 2015. [bibtex]
; and : "The Damped Crank-Nicolson Time-Marching Scheme for the Adaptive Solution of the Black-Scholes Equation", J. Comput. Finance, vol. 18, no. 4, pp. 1–37, 2015. [bibtex] [doi]
and : "Optimal Boundary Control of Nonlinear Hyperbolic Conservation Laws with Switched Boundary Data", SIAM J. Control Optim., vol. 53, no. 3, pp. 1250-1277, 2015. [bibtex] [url] [doi]
; ; and : "Evaluating gas network capacities", SIAM, 2015. [bibtex] [doi]
: "Optimal Control of Deep Drawing Processes based on Reduced Order Models", Dr. Hut Verlag, 2015. [bibtex]
; and : "Optimality conditions and POD a-posteriori error estimates for a semilinear parabolic optimal control", Technical report, 345, 2015. [bibtex]
and : "Parameter identification for nonlinear elliptic-parabolic systems with application in lithium-ion battery modeling", Computational Optimization and Applications, vol. 62, no. 1, pp. 217–239, 2015. [bibtex]
; and : "A Priori Error Estimates for Nonstationary Optimal Control Problems with Gradient State Constraints", In: PAMM, WILEY-VCH Verlag, pp. 611–612, 2015. [bibtex] [doi]
and : "A Priori Error Estimates for a Finite Element Discretization of Parabolic Optimization Problems with Pointwise Constraints in Time on Mean Values of the Gradient of the State", SIAM J. Control Optim., vol. 53, no. 2, pp. 745–770, 2015. [bibtex] [doi]
: "Faces of Birkhoff polytopes", Electron. J. Combin., vol. 22, no. 1, pp. Paper 1.67, 36, 2015. [bibtex]
; ; ; ; ; ; ; and : "Methodical Approaches to Describe and Evaluate Uncertainty in the Transmission Behavior of a Sensory Rod", In: Uncertainty in Mechanical Engineering II (Pelz, Peter F.; Groche, Peter, eds.), Trans Tech Publications, pp. 205–217, 2015. [bibtex]
; and : "Adaptive optimal control of the obstacle problem", SIAM J. Sci. Comput., vol. 37, no. 2, pp. A918–A945, 2015. [bibtex] [doi]
: "Optimal Control of Hyperbolic Conservation Laws on Bounded Domains with Switching Controls", Dr. Hut Verlag, 2015. [bibtex]
and : "Optimal boundary control of nonlinear hyperbolic conservation laws with switched boundary data", SIAM J. Control Optim., vol. 53, no. 3, pp. 1250–1277, 2015. [bibtex] [url] [doi]
; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; and : "Validation of nominations in gas network optimization: models, methods, and solutions", Optimization Methods and Software, vol. 30, no. 1, pp. 15–53, 2015. [bibtex] [doi]
: "Mixed-Integer Nonlinear Programming with Application to Wireless Communication Systems", Dr. Hut Verlag, 2015. [bibtex]
: "Optimization approaches for actuator and sensor placement and its application to model predictive control of dynamical systems", Dr. Hut Verlag, 2015. [bibtex]
: "On the Computational Intractability of Exact and Approximate Dictionary Learning", IEEE Signal Processing Letters, vol. 22, no. 1, pp. 45–49, 2015. [bibtex]
and : "Optimal Control of Nonlinear Hyperbolic Conservation Laws by On/Off-Switching", Technical report, Department of Mathematics, TU Darmstadt, 2015. [bibtex] [url]
: "Preconditioners based on "Parareal" time-domain decomposition for time-dependent PDE-constrained optimization", In: Multiple Shooting and time domain decomposition methods (Carraro, T.; Geiger, M.; Körkel, S.; Rannacher, R., eds.), Springer, pp. 203–232, 2015. [bibtex]
; ; ; ; and : "Robust Truss Topology Design with Beam Elements via Mixed Integer Nonlinear Semidefinite Programming", In: Uncertainty in Mechanical Engineering II, Trans Tech Publications, pp. 229–238, 2015. [bibtex] [doi]
2014
; ; and : "Polytopes associated to Dihedral Groups", Ars Math. Contemp., vol. 7, no. 1, pp. 30–38, 2014. [bibtex]
; ; ; ; and : "On a fully adaptive SQP method for PDAE-constrained optimal control problems with control and state constraints", Chapter in Trends in PDE constrained optimization, Birkhäuser/Springer, Cham, pp. 85–108, 2014. [bibtex] [url] [doi]
; ; and : "Mapping a polygon with holes using a compass", Theoretical Computer Science, vol. 553, pp. 106-113, 2014. [bibtex]
; and : "The minimum feasible tileset problem", In: Proceedings of the 12th Workshop on Approximation and Online Algorithms (WAOA), pp. 144–155, 2014. [bibtex]
; ; and : "Packing a knapsack of unknown capacity", In: Proceedings of the 31st Symposium on Theoretical Aspects of Computer Science (STACS), pp. 276-287, 2014. [bibtex]
; ; and : "Rectilinear shortest path and rectilinear minimum spanning tree with neighborhoods", In: Proceedings of the 3rd International Symposium on Combinatorial Optimization (ISCO), pp. 208-220, 2014. [bibtex]
; ; and : "Lottery versus All-Pay Auction Contests: A Revenue Dominance Theorem", Games and Economic Behavior, vol. 83, pp. 116–126, 2014. [bibtex]
and : "Optimal flow control based on POD and MPC and an application to the cancellation of Tollmien-Schlichting waves", Optim. Methods Softw., vol. 29, no. 5, pp. 1042–1074, 2014. [bibtex] [url] [doi]
and : "Convergence Properties of the Inexact Lin-Fukushima Relaxation Method for Mathematical Programs with Equilibrium Constraints", Computational Optimization and Applications, vol. 59, pp. 249–262, 2014. [bibtex]
; and : "An Infeasible-Point Subgradient Method Using Adaptive Approximate Projections", Comput Optim Appl, vol. 57, no. 2, pp. 271–306, 2014. [bibtex] [doi]
; ; and : "Polyhedral adjunction theory", Algebra Number Theory, vol. 7, no. 10, pp. 2417–2446, 2014. [bibtex] [url] [doi]
and : "On the equality case in Ehrhart's volume conjecture", Adv. Geom., vol. 14, no. 4, pp. 579–586, 2014. [bibtex] [url] [doi]
; ; and : "OPTPDE: A Collection of Problems in PDE-Constrained Optimization", Chapter in Trends in PDE Constrained Optimization (Leugering, Günter; Benner, Peter; Engell, Sebastian; Griewank, Andreas; Harbrecht, Helmut; Hinze, Michael; Rannacher, Rolf; Ulbrich, Stefan, eds.), Springer International Publishing, pp. 539–543, 2014. [bibtex] [doi]
; and : "Optimal Control of Nonlinear Hyperbolic Conservation Laws with Switching", Chapter in Trends in PDE Constrained Optimization, Springer International Publishing, pp. 109-131, 2014. [bibtex] [url] [doi]
and : "Operator preconditioning for a class of inequality constrained optimal control problems", SIAM J. Optim., vol. 24, no. 1, pp. 435–466, 2014. [bibtex] [url] [doi]
and : "The Computational Complexity of the Restricted Isometry Property, the Nullspace Property, and Related Concepts in Compressed Sensing", IEEE Transactions on Information Theory, vol. 60, no. 2, pp. 1248–1259, 2014. [bibtex] [doi]
; ; and : "Existence of unimodular triangulations - positive results", 2014. [bibtex] [url]
; and : "Projection onto the cosparse set is NP-hard", In: Acoustics, Speech and Signal Processing (ICASSP), 2014 IEEE International Conference on, pp. 7148–7152, 2014. [bibtex] [doi]
; and : "Smooth Fano Polytopes With Many Vertices", Discr. Comp. Geom., vol. 52, pp. 153–194, 2014. [bibtex] [pdf] [doi]
and : "Optimierungsverfahren zur optimalen Steuerung von Tiefziehprozessen basierend auf reduzierten Modellen", Chapter in Tagungsband 5. Zwischenkolloquium Sonderforschungsbereich 666 (Groche, Peter, ed.), Meisenbach Verlag, Bamberg, pp. 41–48, 2014. [bibtex]
2013
; ; ; ; and : "Polygon-constrained motion planning problems", In: Proceedings of the 9th International Symposium on Algorithms for Sensor Systems, Wireless Ad Hoc Networks and Autonomous Mobile Entities (ALGOSENSORS), pp. 67-82, 2013. [bibtex]
; ; and : "Interval selection with machine-dependent intervals", In: Proceedings of the 13th International Algorithms and Data Structures Symposium (WADS), pp. 170-181, 2013. [bibtex]
; ; ; and : "Simple agents learn to find their way: an introduction on mapping polygons", Discrete Applied Mathematics, vol. 161, pp. 1287-1307, 2013. [bibtex]
; ; ; and : "Mapping simple polygons: How robots benefit from looking back", Algorithmica, vol. 65, pp. 43-59, 2013. [bibtex]
; ; ; ; and : "A heuristic and an exact method for the gate matrix connection cost minimization problem", International Transactions in Operational Research, vol. 20, no. 5, pp. 627–643, 2013. [bibtex] [url] [doi]
; ; ; and : "Fast collaborative graph exploration", In: Proceedings of the 40th International Colloquium on Automata, Languages and Programming (ICALP), pp. 520–532, 2013. [bibtex]
; ; and : "Improving the ${H}_k$-bound on the price of stability in undirected Shapley network design games", In: Proceedings of the 8th International Conference on Algorithms and Complexity (CIAC), pp. 158-169, 2013. [bibtex]
; and : "Computing the bounded subcomplex of an unbounded polyhedron", Computational Geometry, vol. 46, no. 5, pp. 541–551, 2013. [bibtex]
and : "An inexact l1 penalty SQP algorithm for PDE-constrained optimization with an application to shape optimization in linear elasticity", Optimization Methods and Software, vol. 28, no. 5, pp. 943-968, 2013. [bibtex]
; and : "Progress in Academic Computational Integer Programming", Chapter in Facets of Combinatorial Optimization (Jünger, Michael; Reinelt, Gerhard, eds.), Springer-Verlag, pp. 483–506, 2013. [bibtex]
and : "A Discrete Adjoint Approach for the Optimization of Unsteady Turbulent Flows", Flow, Turbulence and Combustion, vol. 90, no. 4, pp. 763–783, 2013. [bibtex]
and : "A new regularization method for mathematical programs with complementarity constraints with strong convergence properties", SIAM Journal on Optimization, vol. 23, no. 2, pp. 770-798, 2013. [bibtex]
; ; and : "Effort maximization in asymmetric contest games with heterogeneous contestants", Economic Theory, vol. 52, no. 2, pp. 589-630, 2013. [bibtex]
; ; and : "Effort maximization in asymmetric contest games with heterogeneous contestants", Economic Theory, vol. 52, no. 2, pp. 589-630, 2013. [bibtex]
; and : "Theoretical and numerical comparison of relaxation methods for mathematical programs with complementarity constraints", Mathematical Programming, vol. 137, no. 1-2, pp. 257-288, 2013. [bibtex]
: "Computational Aspects of Compressed Sensing", PhD thesis, TU Darmstadt, 2013. [bibtex]
: "Adaptive multilevel inexact SQP-methods for PDE-constrained optimization with control constraints", SIAM J. Optim., vol. 23, no. 2, pp. 1257–1283, 2013. [bibtex] [url] [doi]
: "Finiteness of the Polyhedral $\mathbf Q$-Codegree Spectrum", 2013. [bibtex]
2012
; ; ; ; and : "Reconstructing visibility graphs with simple robots", Theoretical Computer Science, vol. 444, pp. 52-59, 2012. [bibtex]
; and : "Models for Fare Planning in Public Transport", Discrete Appl. Math., vol. 160, no. 18, pp. 2591–2605, 2012. [bibtex]
; and : "The Steiner Connectivity Problem", Mathematical Programming, vol. 142, no. 1-2, pp. 133–167, 2012. [bibtex]
; ; and : "Constrained Optimization and Optimal Control for Partial Differential Equations", Springer Verlag, pp. 257–276, 2012. [bibtex]
; ; and : "Constrained Optimization and Optimal Control for Partial Differential Equations", Springer Verlag, pp. 37–60, 2012. [bibtex]
; ; and : "Mapping a polygon with holes using a compass", In: Proceedings of the 8th International Symposium on Algorithms for Sensor Systems, Wireless Ad Hoc Networks and Autonomous Mobile Entities (ALGOSENSORS), pp. 78-89, 2012. [bibtex]
and : "Degree-constrained orientations of embedded graphs", In: Proceedings of the 23rd International Symposium on Algorithms and Computation (ISAAC), pp. 506-516, 2012. [bibtex]
; and : "Mapping polygons with agents that measure angles", In: Proceedings of the 10th International Workshop on the Algorithmic Foundations of Robotics (WAFR), pp. 415-425, 2012. [bibtex]
: "Subgradient based outer approximation for mixed integer second order cone programming.", Chapter in Mixed integer nonlinear programming. Selected papers based on the presentations at the IMA workshop mixed-integer nonlinear optimization: Algorithmic advances and applications, Minneapolis, MN, USA, November 17–21, 2008, New York, NY: Springer, pp. 41–59, 2012. [bibtex] [doi]
; ; ; ; and : "Integration of manufacturing-induced properties in product design", CIRP Annals - Manufacturing Technology, vol. 61, pp. 163–166, 2012. [bibtex]
"Constrained optimization and optimal control for partial differential equations.", Basel: Birkhäuser, pp. xi + 622, 2012. [bibtex] [doi]
; and : "Mathematical programs with vanishing constraints: A new regularization approach with strong convergence properties", Optimization, vol. 61, no. 6, pp. 619-636, 2012. [bibtex]
: "Nonlinear optimization. (Nichtlineare Optimierung.)", Basel: Birkhäuser, pp. viii + 148, 2012. [bibtex]
; ; and : "Permutation Polytopes of Cyclic Groups", In: Proceedings of FPSAC 2012, DMTCS, pp. 421–432, 2012. [bibtex] [url]
; ; ; ; and : "Control of Uncertainties in Metal Forming by Applications of Higher Flexibility Dimensions", Applied Mechanics and Materials, Trans Tech Publ, vol. 104, pp. 83–93, 2012. [bibtex]
and : "Defect polytopes and coun\-ter-ex\-amp\-les with polymake", ACM Commun. Comput. Algebra, ACM, vol. 45, no. 3/4, New York, NY, USA, pp. 177–179, 2012. [bibtex] [doi]
and : "Ableitungsfreie Optimierungsverfahren für die optimale Steuerung von wirkmedienbasierten Tiefziehprozessen", Chapter in Tagungsband 4. Zwischenkolloquium Sonderforschungsbereich 666 (Groche, Peter, ed.), Meisenbach Verlag, Bamberg, pp. 41–48, 2012. [bibtex]
; and : "Flächige Bauteile mit verzweigtem Querschnitt durch integrierte Spaltbiege-, HSC-Fräs- und Tiefziehprozesse", In: 8. Fachtagung Walzprofilieren und 4. Zwischenkolloquium SFB 666 (Groche, Peter, ed.), 2012. [bibtex]
2011
; ; and : "Online railway delay management: Hardness, simulation and computation", Simulation, vol. 87, no. 7, pp. 616-629, 2011. [bibtex]
; ; and : "Large Neighborhood Search beyond MIP", In: Proceedings of the 9th Metaheuristics International Conference (MIC 2011) (Gaspero, Luca Di; Schaerf, Andrea; Stützle, Thomas, eds.), pp. 51–60, 2011. [bibtex]
; ; ; and : "Telling convex from reflex allows to map a polygon", In: Proceedings of the 28th International Symposium on Theoretical Aspects of Computer Science (STACS), pp. 153-164, 2011. [bibtex]
; and : "A polygon is determined by its angles", Computational Geometry: Theory and Applications, vol. 44, pp. 418-426, 2011. [bibtex]
; ; and : "Quantified Linear Programs: A Computational Study", In: Proceeding ESA 2011 (, ed.), Springer, pp. 203-214, 2011. [bibtex]
; ; and : "Modelling Games with the help of Quantified Integer Linear Programs", In: ACG 13 (, ed.), Springer, pp. , 2011. [bibtex]
; ; and : "Disruption Management With Rescheduling of Trips and Vehicle Circulations", In: ASME Conference Proceedings, ASME, pp. 395–404, 2011. [bibtex]
; ; and : "Parallel Monte-Carlo Tree Search for HPC Systems", In: Euro-Par (2), pp. 365-376, 2011. [bibtex]
and : "The Maximum $k$-Colorable Subgraph Problem and Orbitopes", Discrete Optimization, vol. 8, no. 3, pp. 478–494, 2011. [bibtex]
and : "Branch-Cut-and-Propagate for the Maximum k-Colorable Subgraph Problem with Symmetry", In: Proc. 8th International Conference, CPAIOR 2011, Berlin (Achterberg, Tobias; Beck, J. Christopher, eds.), Springer, pp. 99–116, 2011. [bibtex]
and : "Optimal control of hydroforming processes", PAMM, Wiley Online Library, vol. 11, no. 1, pp. 795–796, 2011. [bibtex]
; and : "Orbitopal Fixing", Discrete Optimization, vol. 8, no. 4, pp. 595–610, 2011. [bibtex]
; ; ; ; and : "Maple: Eine Einführung in das Computer-Algebra-System", RRZN, 2011. [bibtex]
and : "Effiziente Energiewandlung als Optimierungs- und Skalierungsaufgabe", TU forschen, Wissenschaftsmagazin, no. 1, pp. 56-63, 2011. [bibtex]
and : "Examples of Kähler-Einstein toric Fano manifolds associated to non-symmetric reflexive polytopes", Beitr. Algebra Geom., vol. 52, no. 2, pp. 297–304, 2011. [bibtex] [url] [doi]
; ; ; ; ; ; ; ; ; ; ; ; ; ; and : "Optimierung Technischer Kapazitäten in Gasnetzen", In: Optimierung in der Energiewirtschaft, pp. 105–114, 2011. [bibtex]
; and : "Improved convergence properties of the Lin-Fukushima-regularization method for mathematical programs with complementarity constraints", Numerical Algebra, Control and Optimization, vol. 1, no. 1, pp. 49-60, 2011. [bibtex]
; ; and : "Line Planning on Paths and Tree Networks with Applications to the Quito Trolebús System", Int. Trans. Oper. Res., vol. 18, no. 455–472, 2011. [bibtex] [url] [doi]
and : "Adaptive multilevel inexact SQP methods for PDE-constrained optimization", SIAM J. Optim., vol. 21, no. 1, pp. 1–40, 2011. [bibtex] [url] [doi]
; ; ; and : "Analysis of Market Demand Parameters for the Evaluation of Flexibility in Forming Technology", Enabling Manufacturing Competitiveness and Economic Sustainability, Springer, pp. 458–463, 2011. [bibtex]
: "Mapping polygons", PhD thesis, ETH Zurich, Logos Berlin, 2011. [bibtex]
; ; ; and : "Unsicherheitsoptimierte Prozesskette bei der Bohrungsfeinbearbeitung", wt Werkstatttechnik online, Springer, vol. 101, pp. 730-736, 2011. [bibtex]
; ; and : "Permutation Polytopes of Cyclic Groups", 2011. [bibtex]
2010
; ; ; and : "How simple robots benefit from looking back", In: Proceedings of the 7th International Conference on Algorithms and Complexity (CIAC), pp. 229-239, 2010. [bibtex]
; ; and : "Combination of an adaptive multilevel SQP method and a space-time adaptive PDAE solver for optimal control problems", Procedia Computer Science, vol. 1, no. 1, pp. 1429-1437, 2010. [bibtex]
; and : "Reconstructing a simple polygon from its angles", In: Proceedings of the 12th Scandinavian Symposium and Workshops on Algorithm Theory (SWAT), pp. 13-24, 2010. [bibtex]
; ; ; ; ; and : "Rechnet sich Flexibilität in der Umformtechnik?", In: wt-Online, Springer, 2010. [bibtex]
and : "Convergence of linearized and adjoint approximations for discontinuous solutions of conservation laws. Part 1: Linearized approximations and linearized output functionals", SIAM J. Numer. Anal., vol. 48, no. 3, pp. 882–904, 2010. [bibtex] [url] [doi]
and : "Convergence of linearized and adjoint approximations for discontinuous solutions of conservation laws. Part 2: Adjoint approximations and extensions", SIAM J. Numer. Anal., vol. 48, no. 3, pp. 905–921, 2010. [bibtex] [url] [doi]
; and : "Generating Smooth Lattice Polytopes", In: Proceedings of the ICMS, Kobe, pp. 315-328, 2010. [bibtex] [doi]
; ; and : "Sparse Approximate Solution of Partial Differential Equations", Applied Numerical Mathematics, vol. 60, no. 4, pp. 452–472, 2010. [bibtex]
; and : "Polyhedral and Algorithmic Properties of Quantified Linear Programs", In: Proceeding ESA 2010, Springer, pp. 512-523, 2010. [bibtex]
; ; and : "Drawing polytopal graphs with \tt polymake", Comput. Vis. Sci., vol. 13, no. 2, pp. 99–110, 2010. [bibtex] [url] [doi]
and : "Tropical and ordinary convexity combined", Adv. Geom., vol. 10, no. 2, pp. 333–352, 2010. [bibtex] [url] [doi]
and : "Totally splittable polytopes", Discrete Comput. Geom., vol. 44, no. 1, pp. 149–166, 2010. [bibtex] [url] [doi]
and : "Mathematical programs with equilibrium constraints: Enhanced Fritz John-conditions, new constraint qualifications, and improved exact penalty results", SIAM Journal on Optimization, vol. 20, no. 5, pp. 2730-2753, 2010. [bibtex]
: "Adaptive multilevel SQP-methods for PDE-constrained optimization", PhD thesis, Technische Universität Darmstadt, 2010. [bibtex]
and : "Optimale Steuerung wirkmedienbasierter Tiefziehprozesse", Chapter in Tagungsband / Sonderforschungsbereich 666 Integrale Blechbauweisen höherer Verzweigungsordnung - Entwicklung, Fertigung, Bewertung : 3. Zwischenkolloquium 29./30. September 2010 (Groche, Peter, ed.), Meisenbach, Bamberg, pp. 39–44, 2010. [bibtex]
2009
; and : "On randomized broadcasting in Star graphs", Discrete Appl. Math., Elsevier Science Publishers B. V., vol. 157, no. 1, Amsterdam, The Netherlands, The Netherlands, pp. 126–139, 2009. [bibtex] [doi]
; ; and : "On permutation polytopes", Adv. Math., vol. 222, no. 2, pp. 431–452, 2009. [bibtex] [doi]
and : "Detecting Orbitopal Symmetries", In: Operations Research Proceedings 2008 (Fleischmann, Bernhard; Borgwardt, Karl Heinz; Klein, Robert; Tuma, Axel, eds.), Springer-Verlag, pp. 433–438, 2009. [bibtex]
; ; ; ; and : "Reconstructing visibility graphs with simple robots", In: Proceedings of the 16th International Colloquium on Structural Information and Communication Complexity (SIROCCO), pp. 87-99, 2009. [bibtex]
; and : "The Line Connectivity Problem", In: Operations Research Proceedings 2008 (Fleischmann, Bernhard; Borgwardt, Karl Heinz; Klein, Robert; Tuma, Axel, eds.), Springer-Verlag, pp. 557–562, 2009. [bibtex]
; ; and : "A continuous adjoint approach to shape optimization for Navier Stokes flow", Chapter in Optimal control of coupled systems of partial differential equations, Birkhäuser Verlag, Basel, pp. 35–56, 2009. [bibtex] [url] [doi]
; ; ; ; and : "On the limitations of combinatorial visibilities", In: Proceedings of the 25th European Workshop on Computational Geometry (EuroCG), pp. 207-210, 2009. [bibtex]
; ; ; ; and : "Steuerung einer Sortieranlage, z.B. für Altpapier", 2009. [bibtex]
; ; ; ; ; and : "Betriebsoptimierung zur ökonomischen Bewertung von Speichern unter Berücksichtigung regenerativer Energieeinspeisung", Chapter in Innovative Modellie\-rung und Optimierung von Energiesystemen (R. Schultz; H.-J. Wagner, eds.), LIT Verlag, pp. 153–177, 2009. [bibtex]
; and : "From State-of-the-Art Static Fleet Assignment to Flexible Stochastic Planning of the Future", In: Algorithmics of Large and Complex Networks, pp. 140-165, 2009. [bibtex]
; ; ; ; and : "Kostenoptimierte Planung gekoppelter Strom-, Gas- und Wär\-menetze", Chapter in Innovative Modellie\-rung und Optimierung von Energiesystemen (R. Schultz; H.-J. Wagner, eds.), LIT Verlag, pp. 9–38, 2009. [bibtex]
; and : "Competitive Online Multicommodity Routing", Theory of Computing Systems, vol. 45, no. 3, pp. 533–554, 2009. [bibtex]
; ; and : "Optimization with PDE constraints", Springer, New York, pp. xii+270, 2009. [bibtex]
; and : "\tt polymake and lattice polytopes", In: 21st International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2009), Assoc. Discrete Math. Theor. Comput. Sci., Nancy, pp. 491–502, 2009. [bibtex]
; ; and : "How to draw tropical planes", Electron. J. Combin., vol. 16, no. 2, Special volume in honor of Anders Bjorner, pp. Research Paper 6, 26, 2009. [bibtex] [html]
and : "Quadratic Gröbner bases for smooth $3\times3$ transportation polytopes", J. Algebraic Combin., vol. 30, no. 4, pp. 477–489, 2009. [bibtex] [doi]
: "Tropical convex hull computations", Chapter in Tropical and idempotent mathematics, Amer. Math. Soc., Providence, RI, pp. 193–212, 2009. [bibtex]
; and : "polymake and lattice polytopes", Chapter in 21st International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2009), Assoc. Discrete Math. Theor. Comput. Sci., Nancy, pp. 491–502, 2009. [bibtex]
and : "Primal-dual interior-point methods for PDE-constrained optimization", Math. Program., vol. 117, no. 1-2, Ser. B, pp. 435–485, 2009. [bibtex]
; and : "Nonlinear pseudo-Boolean optimization: relaxation or propagation?", In: Theory and Applications of Satisfiability Testing – SAT 2009 (Kullmann, Oliver, ed.), Springer, pp. 441–446, 2009. [bibtex]
2008
; ; and : "A Comparative Study of Linear and Semidefinite Branch-and-Cut Methods for Solving the Minimum Graph Bisection Problem", In: Integer Programming and Combinatorial Optimization (A. Lodi; A. Panconesi; G. Renaldi, eds.), pp. 112 – 124, 2008. [bibtex]
; ; and : "On the Graph Bisection Cut Polytope", SIAM Journal on Discrete Mathematics, vol. 22, pp. 1073 – 1098, 2008. [bibtex]
; ; and : "TOPSU - RDM a simulation platform for online railway delay management", In: Simutools '08: Proceedings of the 1st international conference on Simulation tools and techniques for communications, networks and systems & work shops, ICST (Institute for Computer Sciences, Social-Informatics and Tele communications Engineering), ICST, Brussels, Belgium, Belgium, pp. 1–8, 2008. [bibtex]
; and : "Models for Line Planning in Public Transport", In: Computer-aided Systems in Public Transport (Hickman, Mark; Mirchandani, Pitu; Voß, Stefan, eds.), Springer-Verlag, pp. 363–378, 2008. [bibtex]
; and : "Angebotsplanung im öffentlichen Nahverkehr", In: HEUREKA '08 – Optimierung in Verkehr und Transport, FGSV Verlag, Köln, 2008. [bibtex]
; and : "Multi-criteria shortest paths in time-dependent train networks", In: Proceedings of the 7th International Workshop on Experimental Algorithms (WEA), pp. 347-361, 2008. [bibtex]
; ; ; and : "A Discrete Optimization Approach to Large Scale Supply Networks Based on Partial Differential Equations", SIAM Journal on Scientific Computing, vol. 30, pp. 1490 – 1507, 2008. [bibtex]
; and : "A Twofold Distributed Game-Tree Search Approach U sing Interconnected Clusters.", In: Proceeding Euro-Par 2008, Springer, pp. 587-598, 2008. [bibtex]
and : "Exact and Approximate Sparse Solutions of Underdetermined Linear Equations", SIAM J. Sci. Comput, vol. 31, no. 1, pp. 23–44, 2008. [bibtex]
and : "Packing and Partitioning Orbitopes", Math. Program., vol. 114, no. 1, pp. 1–36, 2008. [bibtex]
; and : "Topologie und dynamische Netzwerke: Anwendungen der Zukunft", In: Produktionsfaktor Mathematik (M. Grötschel, K. Lucas V. Mehrmann, ed.), pp. 323 – 340, 2008. [bibtex]
; ; and : "Lattice points in Min\-kows\-ki sums", Electron. J. Combin., vol. 15, no. 1, pp. Note 11, 5, 2008. [bibtex] [html]
and : "Algorithmische Geometrie", Vieweg, Wiesbaden, pp. vi+265, 2008. [bibtex]
and : "Splitting polytopes", Münster J. Math., vol. 1, pp. 109–141, 2008. [bibtex]
; and : "Der Alphabeta-Algorithmus für Spielbäume: Wie bringe ic h meinen Computer zum Schachspielen?", In: Taschenbuch der Algorithmen (Vöcking, B.; Alt, H.; Dietzfelbinger, M.; Reischuk, R.; Scheideler, C.; Vollmer, H.; Wagner, D., eds.), Springer, pp. 285-294, 2008. [bibtex]
; ; ; ; ; ; and : "The GOmputer: Accelerating GO with FPGAs.", In: Proceeding ERSA 2008, Springer, pp. 35-45, 2008. [bibtex]
: "Branch-And-Cut for the Maximum Feasible Subsystem Problem", SIAM J. Optim., vol. 19, no. 1, pp. 21–38, 2008. [bibtex] [doi]
; ; and : "A Globally Convergent Primal-Dual Interior-Point Filter Method for Nonlinear Programming: New Filter Optimality Measures and Computational Results", Technical report, Technische Universität Darmstadt, 2008. [bibtex]
; ; and : "Line Planning on Paths and Tree Networks with Applications to the Quito Trolebús System", In: ATMOS 2008 – 8th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (Fischetti, Matteo; Widmayer, Peter, eds.), Schloss Dagstuhl – Leibniz-Zentrum für Informatik, Germany, Dagstuhl, Germany, 2008. [bibtex] [url]
; ; and : "Local realism, detection efficiencies, and probability polytopes", Physical Review A, vol. 73, pp. 032116(8), 2008. [bibtex]
2007
; ; ; ; ; and : "An Approach to Algorithm-Based Design in Product Development", Konstruktion, vol. 5, pp. 79 – 82, 2007. [bibtex]
; and : "A Column-Generation Approach to Line Planning in Public Transport", Transportation Sci., vol. 41, no. 1, pp. 123–132, 2007. [bibtex] [doi]
; and : "Agent-based randomized broadcasting in large networks.", Discrete Applied Mathematics, vol. 155, pp. 150-160, 2007. [bibtex]
; ; and : "Diskrete und kontinuierliche Modelle zur Topologie- und Geometrie-Optimierung von Blechprofilen", In: Tagungsband 1. Zwischenkolloqium SFB 666 (P. Groche, ed.), Meisenbach Verlag, Bamberg, pp. 37 – 47, 2007. [bibtex]
; ; ; and : "Scheduling Locomotives and Car Transfers in Freight Transport", Technical report, FB Mathematik, Technische Universität Darmstadt, 2007. [bibtex]
and : "Mixed-Integer Models for Topology Optimization in Sheet Metal Design", In: PAMM, Proceedings of Applied Mathematics and Mechanics, pp. 2060049-2060050, 2007. [bibtex]
; ; and : "Verfahren und Vorrichtung zum Ermitteln eines Kontaktzeitpunktes zum Kontaktieren eines Geldmittelübergabesystems", 2007. [bibtex]
; ; and : "Verfahren und Vorrichtung zum Ermitteln eines Kontaktzeitpunktes zum Kontaktieren eines Geldmittelübergabesystems", 2007. [bibtex]
and : "Modellierung von Fertigungsrestriktionen bei der Herstellung von verzweigten Blechbauteilen", In: Tagungsband 1. Zwischenkolloqium SFB 666 (P. Groche, ed.), Meisenbach Verlag, Bamberg, pp. 47 – 53, 2007. [bibtex]
and : "On Fanos and Chimneys", Chapter in Mini-Work\-shop: Projective normality of smooth toric varieties, pp. 2303-2306, 2007. [bibtex]
; ; ; and : "Gekoppelte optimale Auslegung von Strom-, Gas- und Wärmenetzen", In: Optimierung in der Energiewirtschaft, VDI-Berichte Nr. 2018, pp. 133 – 146, 2007. [bibtex]
; and : "Orbitopal Fixing", Chapter in Proc.\ of the 12th Integer Programming and Combinatorial Optimization conference (IPCO) (Fischetti, Matteo; Williamson, David, eds.), Springer-Verlag, pp. 74–88, 2007. [bibtex]
and : "Products of foldable triangulations", Adv. Math., vol. 210, no. 2, pp. 769–796, 2007. [bibtex] [url] [doi]
and : "Neighborly cubical polytopes and spheres", Israel J. Math., vol. 159, pp. 221–242, 2007. [bibtex] [url] [doi]
and : "Bounds on the $f$-vectors of tight spans", Contrib. Discrete Math., vol. 2, no. 2, pp. 161–184 (electronic), 2007. [bibtex]
; and : "Affine buildings and tropical convexity", Albanian J. Math., vol. 1, no. 4, pp. 187–211, 2007. [bibtex]
; and : "A simulated annealing algorithm for transient optimization in gas networks", Mathematical Methods of Operations Research, vol. 66, pp. 99 – 116, 2007. [bibtex]
; and : "Solving Gas Optimization Problems by Simulated Annealing", Technical report, Darmstadt University of Technology, 2007. [bibtex]
: "Generalized SQP methods with `parareal' time-domain decomposition for time-dependent PDE-constrained optimization", Chapter in Real-time PDE-constrained optimization, SIAM, Philadelphia, PA, pp. 145–168, 2007. [bibtex]
; ; and : "Algorithmenbasierte Produktentwicklung für integrale Blechbauweisen höherer Verzweigungsordnung", In: 5. Gemeinsamen Kolloquiums Konstruktionstechnik 2007, Dresden, 2007. [bibtex]
2006
; and : "MIPLIB 2003", Operations Research Letters, Elsevier / North-Holland, vol. 34, pp. 1–12, 2006. [bibtex] [doi]
; ; ; and : "Hybrid Genetic Algorithm Within Branch-and-Cut for the Minimum Graph Bisection Problem", In: Proceedings of 6th European Conference, EvoCOP 2006, Budapest, Hungary, April 10-12, 2006, Springer, pp. 1-12, 2006. [bibtex]
; ; ; and : "Hybrid Genetic Algorithm Within Branch-and-Cut for the Minimum Graph Bisection Problem", In: Proceedings of 6th European Conference, EvoCOP 2006, Budapest, Hungary, April 10-12, 2006, Springer, Berlin, pp. 1-12, 2006. [bibtex]
; ; ; ; ; ; ; and : "Topology- and Shape-Optimization of Branched Sheet Metal Products", In: Operations Research Proceedings 2005 (Haasis, H.; Kopfer, H.; Schönberger, J., eds.), Springer, Berlin, pp. 327 – 336, 2006. [bibtex]
: "Optimization of sheet metal products.", Chapter in Operations research proceedings 2005. Selected papers of the annual international conference of the German Operations Research Society (GOR), Bremen, Germany, September 7–9, 2005., Berlin: Springer, pp. 327–336, 2006. [bibtex]
; and : "Public transport to the fORe!", OR/MS Today, vol. 33, no. 2, pp. 30–40, 2006. [bibtex]
; and : "Optimal Fares for Public Transport", Chapter in Operations Research Proceedings 2005 (Haasis, Hans-Dietrich; Kopfer, Herbert; Schönberger, Jörn, eds.), Springer-Verlag, Berlin Heidelberg, pp. 591–596, 2006. [bibtex]
; ; and : "Verfahren und Vorrichtung zum Auswuchten von wellenelastischen Rotoren", 2006. [bibtex]
; ; ; and : "UMTS Radio Network Evaluation and Optimization beyond Snapshots", Mathematical Methods of Operations Research, vol. 63, pp. 1 – 29, 2006. [bibtex]
; ; and : "Combinatorial and Continuous Models for the Optimization of Traffic Flows on Networks", SIAM Journal on Optimization, vol. 16, pp. 1155 – 1176, 2006. [bibtex]
; ; and : "Locomotive and Wagon Scheduling in Freight Transport", In: ATMOS 2006 - 6th Workshop on Algorithmic Methods and Models for Optimization of Railways (Jacob, Riko; Müller-Hannemann, Matthias, eds.), 2006. [bibtex]
and : "A Multicriterial Approach for Optimizing Bus Schedules and School Starting Times", Annals of Operations Research, vol. 147, pp. 119 – 216, 2006. [bibtex]
and : "Mathematische Modelle zur betrieblichen Optimierung", Z! - das Zukunftsmagazin, vol. 1, pp. 3, 2006. [bibtex]
and : "Mixed Integer Models for Branched Sheet Metal Products", In: PAMM, Proceedings of Applied Mathematics and Mechanics, pp. 697 – 698, 2006. [bibtex]
; ; and : "Cash Recycling Systems: Prediction and Optimization", In: PAMM, Proceedings of Applied Mathematics and Mechanics, pp. 667 – 668, 2006. [bibtex]
; and : "Competitive Online Multicommodity Routing", Chapter in Proc. Workshop on Approximation and Online Algorithms (WAOA) 2006 (Erlebach, Thomas; Kaklamanis, Christos, eds.), Springer, Berlin Heidelberg, pp. 240–252, 2006. [bibtex]
and : "Computing Optimal Morse Matchings", SIAM J. Discrete Math., vol. 20, no. 1, pp. 11–25, 2006. [bibtex] [doi]
and : "Computing optimal Morse matchings", SIAM J. Discrete Math., vol. 20, no. 1, pp. 11–25 (electronic), 2006. [bibtex] [url] [doi]
: "New polytopes from products", J. Combin. Theory Ser. A, vol. 113, no. 7, pp. 1396–1418, 2006. [bibtex] [doi]
and : "Constructions for 4-polytopes and the cone of flag vectors", Chapter in Algebraic and geometric combinatorics, Amer. Math. Soc., Providence, RI, pp. 283–303, 2006. [bibtex] [doi]
and : "Flexible object hierarchies in polymake (extended abstract)", Chapter in Mathematical software—ICMS 2006, Springer, Berlin, pp. 219–221, 2006. [bibtex] [url] [doi]
; and : "Mixed Integer Models for the Stationary Case of Gas Network Optimization", Mathematical Programming B, vol. 105, pp. 563 – 582, 2006. [bibtex]
and : "Routing in Line Planning for Public Transport", Chapter in Operations Research Proceedings 2005 (Haasis, Hans-Dietrich; Kopfer, Herbert; Schönberger, Jörn, eds.), Springer-Verlag, Berlin Heidelberg, pp. 405–410, 2006. [bibtex]
2005
; and : "Branching Rules Revisited", Operations Research Letters, vol. 33, pp. 42 – 54, 2005. [bibtex]
; ; ; and : "LP-based Genetic Algorithm for the Minimum Graph Bisection Problem", Technical report, Darmstadt University of Technology, Department of Mathematics, 2005. [bibtex]
; ; ; ; ; ; ; and : "Optimization of Sheet Metal Products", Technical report, Darmstadt University of Technology, Department of Mathematics, 2005. [bibtex]
and : "Was haben Schüler und Groß banken gemeinsam?", Mathematik Lehren, vol. 129, pp. 50 – 54, 2005. [bibtex]
and : "Computational Integer Programming and Cutting Planes", In: Handbooks in Operations Research and Management Science (K. Aardal, G. Nemhauser R. Weismantel, ed.), Kluwer, pp. 69 – 122, 2005. [bibtex]
; ; and : "Ein Planungstool zur Schulzeitstaffelung", In: Supply Chain Management und Logistik (H.-O. Günther; D. Mattfeld; L. Suhl, eds.), Physica-Verlag Heidelberg, pp. 419 – 436, 2005. [bibtex]
; and : "Integrated Optimization of School Starting Times and Public Bus Services", In: Operations Research Proceedings 2004 (H. Fleuren; Hertog, D. den; P. Kort, eds.), Springer, Berlin, pp. 150 – 157, 2005. [bibtex]
; and : "Optimale kooperative Steuerung von Mehrflugzeugsystemen", Chapter in thema Forschung - Im Aufwind: Luftverkehr (U. Klingauf, ed.), TU Darmstadt, pp. 14 – 18, 2005. [bibtex]
and : "Optimizing Discrete Morse Functions – Extended Abstract", Chapter in Proceedings of the CTW04 Workshop on Graph Theory and Combinatorial Optimization, Elsevier, 2005. [bibtex]
; ; and : "Bier spheres and posets", Discrete Comput. Geom., vol. 34, no. 1, pp. 71–86, 2005. [bibtex] [doi]
and : "One-point suspensions and wreath products of polytopes and spheres", J. Combin. Theory Ser. A, vol. 110, no. 2, pp. 193–216, 2005. [bibtex] [url] [doi]
: "Tropical halfspaces", Chapter in Combinatorial and computational geometry, Cambridge Univ. Press, Cambridge, pp. 409–431, 2005. [bibtex]
and : "Complexes of discrete Morse functions", Discrete Math., vol. 302, no. 1-3, pp. 39–51, 2005. [bibtex] [url] [doi]
: "Polytope propagation on graphs", Chapter in Algebraic statistics for computational biology, Cambridge Univ. Press, New York, pp. 181–192, 2005. [bibtex] [url] [doi]
and : "Cutting Planes for the Optimisation of Gas Networks", In: Modeling, Simulation and Optimization of Complex Processe (H.G. Bock; E. Kostina; H.X. Phu; R. Rannacher, eds.), Springer, Heidelberg, pp. 307 – 330, 2005. [bibtex]
2004
; ; ; ; and : "Integer Programming Methods for UMTS Radio Network Planning", In: Proc.\ of WiOpt'04, Cambridge, UK, 2004. [bibtex]
and : "Verfahren und Vorrichtung zur automatischen Optimierung von Schulanfangszeiten und des öffentlichen Personenverkehrs und entsprechendes Computerprogramm", 2004. [bibtex]
; and : "Integrated Optimization of School Starting Times and Public Bus Services", In: Proceedings of the Oberwolfach Workshop `Mathematics in the Supply Chain' (A. Fügenschuh; Veen, J. van der, eds.), pp. 183 – 186, 2004. [bibtex]
; and : "IOSANA: Integrierte Optimierung der Schulanfangszeit und des Nahverkehrs-Angebots", In: Optimierung im öffentlichen Nahverkehr (D.C. Mattfeld, ed.), pp. 170 – 189, 2004. [bibtex]
and : "Convex hulls, oracles, and homology", J. Symbolic Comput., vol. 38, no. 4, pp. 1247–1259, 2004. [bibtex] [url] [doi]
and : "The $E\sb t$-construction for lattices, spheres and polytopes", Discrete Comput. Geom., vol. 32, no. 4, pp. 601–621, 2004. [bibtex] [doi]
and : "Computing optimal discrete Morse functions", Chapter in Workshop on Graphs and Combinatorial Optimization, Elsevier, Amsterdam, pp. 191–195 (electronic), 2004. [bibtex]
; ; and : "Optimisation of Partitioning for Parallel Flow Simulation on Block Structured Grids", In: Proceedings of the Fourth International Conference on Engineering Computational Technology (B.H.V. Topping; Soares, C.A. Mota, eds.), Civil-Comp Press, Stirling, United Kingdom, 2004. [bibtex]
: "On the superlinear local convergence of a filter-SQP method", Math. Program., vol. 100, no. 1, Ser. B, pp. 217–245, 2004. [bibtex]
; and : "A globally convergent primal-dual interior-point filter method for nonlinear programming", Math. Program., vol. 100, no. 2, Ser. A, pp. 379–410, 2004. [bibtex]
2003
and : "On the Maximum Feasible Subsystem Problem, IISs, and IIS-hypergraphs", Math. Program., vol. 95, no. 3, pp. 533–554, 2003. [bibtex]
; ; ; ; and : "Optimization Methods for UMTS Radio Network Planning", In: Operation Research Proceedings 2003 (D. Ahr; R. Fahrion; M. Oswald; G. Reinelt, eds.), Springer-Verlag, pp. 31 – 38, 2003. [bibtex]
and : "Some Algorithmic Problems in Polytope Theory", Chapter in Algebra, Geometry, and Software Systems (Joswig, Michael; Takayama, Nobuki, eds.), Springer-Verlag, 2003. [bibtex]
; ; ; ; ; ; and : "Mathematical Methods for Automatic Optimization of UMTS Radio Networks", Technical report, IST-2000-28088 MOMENTUM D4.3, 2003. [bibtex] [pdf]
; ; ; ; and : "Final Report on Automatic Planning and Optimisation", Technical report, IST-2000-28088 MOMENTUM D4.7, 2003. [bibtex] [pdf]
: "Adjoint-based derivative computations for the optimal control of discontinuous solutions of hyperbolic conservation laws", Systems Control Lett., vol. 48, no. 3-4, pp. 313–328, 2003. [bibtex]
and : "Non-monotone trust region methods for nonlinear equality constrained optimization without a penalty function", Math. Program., vol. 95, no. 1, Ser. B, pp. 103–135, 2003. [bibtex]
2002
and : "Egoisten schaden sich selbst", Technical report, Darmstadt University of Technology, Department of Mathematics 2251, 2002. [bibtex]
"Operations Research Proceedings 2001", Springer, Heidelberg, 2002. [bibtex]
; ; ; and : "Optimal control of unsteady compressible viscous flows", Internat. J. Numer. Methods Fluids, vol. 40, no. 11, pp. 1401–1429, 2002. [bibtex]
; ; ; and : "Numerical solution of optimal control problems governed by the compressible Navier-Stokes equations", Chapter in Optimal control of complex structures (Oberwolfach, 2000), Birkhäuser, Basel, pp. 43–55, 2002. [bibtex]
; ; ; ; ; ; and : "Modelling Feasible Network Configurations for UMTS", In: Telecummincations network design and management (G. Anandalingam; S. Raghavan, eds.), Kluwer, pp. 1 – 24, 2002. [bibtex]
and : "Computing the Face Lattice of a Polytope from its Vertex-Facet Incidences", Comput. Geom., vol. 23, no. 3, pp. 281–290, 2002. [bibtex]
; ; and : "Cutting Planes in Integer and Mixed Integer Programming", Discrete Applied Mathematics, vol. 123/124, pp. 391 – 440, 2002. [bibtex]
: "Large Scale Optimization", In: Encyclopedia of Life Support Systems (EOLSS), Chapter 6.5, UNESCO, pp. 411 – 428, 2002. [bibtex]
: "The Maximum Feasible Subsystem Problem and Vertex-Facet Incidence of Polyhedra", PhD thesis, TU Berlin, 2002. [bibtex]
: "A sensitivity and adjoint calculus for discontinuous solutions of hyperbolic conservation laws with source terms", SIAM J. Control Optim., vol. 41, no. 3, pp. 740–797 (electronic), 2002. [bibtex]
2001
; ; and : "Vertex-Facet Incidences of Unbounded Polyhedra", Advances in Geometry, vol. 1, no. 1, pp. 23–36, 2001. [bibtex]
and : "SteinLib: An Updated Library on Steiner Tree Problems in Graphs", In: Steiner Trees in Industries (D.-Z. Du; X. Cheng, eds.), Kluwer, pp. 285–325, 2001. [bibtex]
: "General Mixed Integer Programming: Computational Issues for Branch-and-Cut Algorithms", Chapter in Computational Combinatorial Optimization (D. Naddef; M. Jünger, eds.), Springer, Berlin, 2001. [bibtex]
2000
and : "Parallelizing the Dual Simplex Method", INFORMS Journal on Computing, vol. 12, pp. 45 – 56, 2000. [bibtex]
and : "Superlinear convergence of affine-scaling interior-point Newton methods for infinite-dimensional nonlinear problems with pointwise bounds", SIAM J. Control Optim., vol. 38, no. 6, pp. 1938–1984 (electronic), 2000. [bibtex]
1999
; ; ; and : "A Counterexample to an Integer Analogue of Carathéodory's Theorem", Journal für die Reine und Angewandte Mathematik, vol. 510, pp. 179 – 185, 1999. [bibtex]
; and : "Routing through virtual paths in layered telecommunication networks", Operations Research, vol. 47, pp. 693 – 702, 1999. [bibtex]
; and : "Superlinear and quadratic convergence of affine-scaling interior-point Newton methods for problems with simple bounds without strict complementarity assumption", Math. Program., vol. 86, no. 3, Ser. A, pp. 615–635, 1999. [bibtex]
: "Integer programs with block structure", Technical report, Konrad-Zuse-Zentrum für Informationstechnik Berlin, 1999. [bibtex]
: "On the existence and approximation of solutions for the optimal control of nonlinear hyperbolic conservation laws", Chapter in Optimal control of partial differential equations (Chemnitz, 1998), Birkhäuser, Basel, pp. 287–299, 1999. [bibtex]
; and : "Global convergence of trust-region interior-point algorithms for infinite-dimensional nonconvex minimization subject to pointwise bounds", SIAM J. Control Optim., vol. 37, no. 3, pp. 731–764 (electronic), 1999. [bibtex]
1998
; ; and : "Frequency Assignment in Cellular Phone Networks", Annals of Operations Research, vol. 76, pp. 73–93, 1998. [bibtex]
; and : "Decomposing Matrices into Blocks", SIAM Journal on Optimization, vol. 9, pp. 236 – 269, 1998. [bibtex]
; ; ; and : "The node capacitated graph partitioning problem: A computational study", Mathematical Programming, vol. 81, pp. 229 – 256, 1998. [bibtex]
and : "Solving Steiner Tree Problems in Graphs to Optimality", Networks, vol. 32, pp. 207 – 232, 1998. [bibtex]
and : "The Intersection of Knapsack Polyhedra and Extensions", In: Integer Programming and Combinatorial Optimization (R.E. Bixby; E.A. Boyd; R.Z.Ríos-Mercado, eds.), pp. 243 – 256, 1998. [bibtex]
1997
; and : "The Steiner Tree Packing Problem in VLSI-Design", Mathematical Programming, vol. 78, pp. 265 – 281, 1997. [bibtex]
1996
; ; and : "Stable-Set and Other Techniques for Frequency Assignment Problems", In: Anais da I Oficina Nacional em Problemas de Corte & Empacotamento, pp. 17–21, 1996. [bibtex]
; and : "Solving Multiple Knapsack Problems by Cutting Planes", SIAM Journal on Optimization, vol. 6, pp. 858 – 877, 1996. [bibtex]
; ; ; and : "Formulations and Valid Inequalities for Node Capacitated Graph Partitioning", Mathematical Programming, vol. 74, pp. 247 – 266, 1996. [bibtex]
; and : "Packing Steiner Trees: Polyhedral Investigations", Mathematical Programming, vol. 72, pp. 101 – 123, 1996. [bibtex]
; and : "Packing Steiner Trees: A Cutting Plane Algorithm and Computational Results", Mathematical Programming, vol. 72, pp. 125 – 145, 1996. [bibtex]
; and : "Packing Steiner trees: Further facets", European Journal on Combinatorics, vol. 17, pp. 39 – 52, 1996. [bibtex]
; and : "Packing Steiner trees: Separation algorithms", SIAM Journal on Discrete Mathematics, vol. 9, pp. 233 – 257, 1996. [bibtex]
; and : "Optimum path packing on wheels: The consecutive case", Computers Math. Applic., vol. 31, pp. 23 – 35, 1996. [bibtex]
and : "Automatic differentiation: a structure-exploiting forward mode with almost optimal complexity for Kantorovi\v c trees", Chapter in Applied mathematics and parallel computing, Physica, Heidelberg, pp. 327–357, 1996. [bibtex]
1995
; and : "Routing in grid graphs by cutting planes (extended version)", ZOR – Methods and Models of Operations Research, vol. 41, pp. 255 – 275, 1995. [bibtex]
1994
; ; and : "Quadratic 0/1 optimization and a decomposition approach for the placement of electronic circuits", Mathematical Programming, vol. 63, pp. 257 – 279, 1994. [bibtex]
1993
; ; ; ; and : "Some Integer Programs Arising in the Design of Main Frame Computers", ZOR – Methods and Models of Operations Research, vol. 38, pp. 77 – 100, 1993. [bibtex]
; and : "Routing in Grid Graphs by Cutting Planes", In: Integer Programming and Combinatorial Optimization (G. Rinaldi; L.A. Wolsey, eds.), pp. 447 – 463, 1993. [bibtex]
and : "Packing Paths and Steiner Trees: Routing of Electronic Circuits", CWI Quarterly, vol. 6, pp. 185 – 204, 1993. [bibtex]
1990
; ; and : "Simultaneous Placement in the Sea Of Gates Layout Style", Methods of Operations Research, vol. 62, pp. 273 – 275, 1990. [bibtex]
: "A polynomially solvable case of the separation problem for the Steiner partition inequalities", Methods of Operations Research, vol. 62, pp. 277 – 284, 1990. [bibtex]
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