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2020 – today
- 2024
[j98]Marcel Celaya, Stefan Kuhlmann, Joseph Paat
, Robert Weismantel:
Proximity and Flatness Bounds for Linear Integer Optimization. Math. Oper. Res. 49(4): 2446-2467 (2024)- [j97]Timm Oertel, Joseph Paat, Robert Weismantel:
A colorful Steinitz Lemma with application to block-structured integer programs. Math. Program. 204(1): 677-702 (2024) - [c32]Marcel Celaya, Stefan Kuhlmann, Robert Weismantel:
On Matrices over a Polynomial Ring with Restricted Subdeterminants. IPCO 2024: 43-56 - [i17]Stefan Kuhlmann, Timm Oertel, Robert Weismantel:
Sparse Approximation in Lattices and Semigroups. CoRR abs/2410.23990 (2024) - 2023
- [j96]Christoph Hunkenschröder, Sebastian Pokutta, Robert Weismantel:
Minimizing a Low-Dimensional Convex Function Over a High-Dimensional Cube. SIAM J. Optim. 33(2): 538-552 (2023) - [c31]Sabrina Bruckmeier, Christoph Hunkenschröder, Robert Weismantel:
Sparse Approximation over the Cube. IPCO 2023: 44-57 - [i16]Marcel Celaya, Stefan Kuhlmann, Robert Weismantel:
On Matrices over a Polynomial Ring with Restricted Subdeterminants. CoRR abs/2311.03845 (2023) - 2022
- [j95]Joseph Paat, Miriam Schlöter, Robert Weismantel:
The integrality number of an integer program. Math. Program. 192(1): 271-291 (2022) - [j94]Martin Henk, Stefan Kuhlmann, Robert Weismantel:
On Lattice Width of Lattice-Free Polyhedra and Height of Hilbert Bases. SIAM J. Discret. Math. 36(3): 1918-1942 (2022) - [c30]Marcel Celaya, Stefan Kuhlmann, Joseph Paat, Robert Weismantel:
Improving the Cook et al. Proximity Bound Given Integral Valued Constraints. IPCO 2022: 84-97 - [i15]Christoph Hunkenschröder, Sebastian Pokutta, Robert Weismantel:
Optimizing a low-dimensional convex function over a high-dimensional cube. CoRR abs/2204.05266 (2022) - [i14]Miriam Schlöter, Robert Weismantel:
Minimum-Cost Flows Over Time. CoRR abs/2206.00526 (2022) - [i13]Sabrina Bruckmeier, Christoph Hunkenschröder, Robert Weismantel:
Sparse Approximation Over the Cube. CoRR abs/2210.02738 (2022) - 2021
- [c29]Jana Cslovjecsek, Friedrich Eisenbrand, Michal Pilipczuk, Moritz Venzin, Robert Weismantel:
Efficient Sequential and Parallel Algorithms for Multistage Stochastic Integer Programming Using Proximity. ESA 2021: 33:1-33:14 - [c28]Christoph Glanzer, Ingo Stallknecht, Robert Weismantel:
On the Recognition of a, b, c-Modular Matrices. IPCO 2021: 238-251 - [c27]Jana Cslovjecsek, Friedrich Eisenbrand, Christoph Hunkenschröder, Lars Rohwedder, Robert Weismantel:
Block-Structured Integer and Linear Programming in Strongly Polynomial and Near Linear Time. SODA 2021: 1666-1681 - [i12]Christoph Glanzer, Ingo Stallknecht, Robert Weismantel:
Notes on {a, b, c}-Modular Matrices. CoRR abs/2106.14980 (2021) - 2020
- [j93]Joseph Paat, Robert Weismantel, Stefan Weltge:
Distances between optimal solutions of mixed-integer programs. Math. Program. 179(1): 455-468 (2020) - [j92]Timm Oertel, Joseph Paat, Robert Weismantel:
The Distributions of Functions Related to Parametric Integer Optimization. SIAM J. Appl. Algebra Geom. 4(3): 422-440 (2020) - [j91]Alberto Del Pia, Santanu S. Dey, Robert Weismantel:
Subset Selection in Sparse Matrices. SIAM J. Optim. 30(2): 1173-1190 (2020) - [j90]Friedrich Eisenbrand, Robert Weismantel:
Proximity Results and Faster Algorithms for Integer Programming Using the Steinitz Lemma. ACM Trans. Algorithms 16(1): 5:1-5:14 (2020) - [c26]Joseph Paat, Miriam Schlöter, Robert Weismantel:
The Integrality Number of an Integer Program. IPCO 2020: 338-350 - [i11]Jana Cslovjecsek, Friedrich Eisenbrand, Robert Weismantel:
N-fold integer programming via LP rounding. CoRR abs/2002.07745 (2020) - [i10]Jana Cslovjecsek, Friedrich Eisenbrand, Michal Pilipczuk, Moritz Venzin, Robert Weismantel:
Efficient sequential and parallel algorithms for multistage stochastic integer programming using proximity. CoRR abs/2012.11742 (2020)
2010 – 2019
- 2019
- [c25]Timm Oertel, Joseph Paat, Robert Weismantel:
Sparsity of Integer Solutions in the Average Case. IPCO 2019: 341-353 - [i9]Joseph Paat, Miriam Schlöter, Robert Weismantel:
Most IPs with bounded determinants can be solved in polynomial time. CoRR abs/1904.06874 (2019) - 2018
- [j89]Jörg Bader, Robert Hildebrand, Robert Weismantel, Rico Zenklusen:
Mixed integer reformulations of integer programs and the affine TU-dimension of a matrix. Math. Program. 169(2): 565-584 (2018) - [j88]Christoph Glanzer, Robert Weismantel, Rico Zenklusen:
On the Number of Distinct Rows of a Matrix with Bounded Subdeterminants. SIAM J. Discret. Math. 32(3): 1706-1720 (2018) - [j87]Iskander Aliev, Jesús A. De Loera, Friedrich Eisenbrand, Timm Oertel, Robert Weismantel:
The Support of Integer Optimal Solutions. SIAM J. Optim. 28(3): 2152-2157 (2018) - [c24]Friedrich Eisenbrand, Robert Weismantel:
Proximity results and faster algorithms for Integer Programming using the Steinitz Lemma. SODA 2018: 808-816 - [i8]Alberto Del Pia, Santanu S. Dey, Robert Weismantel:
Subset selection in sparse matrices. CoRR abs/1810.02757 (2018) - 2017
- [j86]Amitabh Basu, Michele Conforti, Gérard Cornuéjols, Robert Weismantel, Stefan Weltge:
Optimality certificates for convex minimization and Helly numbers. Oper. Res. Lett. 45(6): 671-674 (2017) - [c23]Robert Hildebrand, Robert Weismantel, Rico Zenklusen:
Extension Complexity Lower Bounds for Mixed-Integer Extended Formulations. SODA 2017: 2342-2350 - [c22]Stephan Artmann, Robert Weismantel, Rico Zenklusen:
A strongly polynomial algorithm for bimodular integer linear programming. STOC 2017: 1206-1219 - [i7]Friedrich Eisenbrand, Robert Weismantel:
Proximity results and faster algorithms for Integer Programming using the Steinitz Lemma. CoRR abs/1707.00481 (2017) - 2016
- [j85]Alberto Del Pia, Robert Weismantel:
Relaxations of mixed integer sets from lattice-free polyhedra. Ann. Oper. Res. 240(1): 95-117 (2016) - [j84]Alberto Del Pia, Robert Hildebrand, Robert Weismantel, Kevin Zemmer:
Minimizing Cubic and Homogeneous Polynomials over Integers in the Plane. Math. Oper. Res. 41(2): 511-530 (2016) - [j83]Michel Baes, Timm Oertel, Robert Weismantel:
Duality for mixed-integer convex minimization. Math. Program. 158(1-2): 547-564 (2016) - [j82]Stephan Artmann, Friedrich Eisenbrand, Christoph Glanzer, Timm Oertel, Santosh S. Vempala, Robert Weismantel:
A note on non-degenerate integer programs with small sub-determinants. Oper. Res. Lett. 44(5): 635-639 (2016) - [c21]Robert Hildebrand, Robert Weismantel, Kevin Zemmer:
An FPTAS for Minimizing Indefinite Quadratic Forms over Integers in Polyhedra. SODA 2016: 1715-1723 - 2015
- [j81]Robert Hildebrand, Timm Oertel, Robert Weismantel:
Note on the complexity of the mixed-integer hull of a polyhedron. Oper. Res. Lett. 43(3): 279-282 (2015) - [j80]David Adjiashvili, Timm Oertel, Robert Weismantel:
A Polyhedral Frobenius Theorem with Applications to Integer Optimization. SIAM J. Discret. Math. 29(3): 1287-1302 (2015) - 2014
- [j79]Raymond Hemmecke, Matthias Köppe, Robert Weismantel:
Graver basis and proximity techniques for block-structured separable convex integer minimization problems. Math. Program. 145(1-2): 1-18 (2014) - [j78]Timm Oertel, Christian Wagner, Robert Weismantel:
Integer convex minimization by mixed integer linear optimization. Oper. Res. Lett. 42(6-7): 424-428 (2014) - [c20]David Adjiashvili, Sandro Bosio, Robert Weismantel, Rico Zenklusen:
Time-Expanded Packings. ICALP (1) 2014: 64-76 - [c19]Alberto Del Pia, Robert Weismantel:
Integer quadratic programming in the plane. SODA 2014: 840-846 - 2012
- [j77]Alberto Del Pia, Robert Weismantel:
Relaxations of mixed integer sets from lattice-free polyhedra. 4OR 10(3): 221-244 (2012) - [j76]Michel Baes, Alberto Del Pia, Yurii E. Nesterov, Shmuel Onn, Robert Weismantel:
Minimizing Lipschitz-continuous strongly convex functions over integer points in polytopes. Math. Program. 134(1): 305-322 (2012) - [j75]Yusuke Kobayashi, Kazuo Murota, Robert Weismantel:
Cone superadditivity of discrete convex functions. Math. Program. 135(1-2): 25-44 (2012) - [j74]Alberto Del Pia, Robert Weismantel:
On convergence in mixed integer programming. Math. Program. 135(1-2): 397-412 (2012) - [j73]Jon Lee, Shmuel Onn, Lyubov Romanchuk, Robert Weismantel:
The quadratic Graver cone, quadratic integer minimization, and extensions. Math. Program. 136(2): 301-323 (2012) - 2011
- [j72]Steffen Borchers, Sandro Bosio, Rolf Findeisen, Utz-Uwe Haus, Philipp Rumschinski, Robert Weismantel:
Graph problems arising from parameter identification of discrete dynamical systems. Math. Methods Oper. Res. 73(3): 381-400 (2011) - [j71]Gennadiy Averkov, Christian Wagner, Robert Weismantel:
Maximal Lattice-Free Polyhedra: Finiteness and an Explicit Description in Dimension Three. Math. Oper. Res. 36(4): 721-742 (2011) - [j70]Raymond Hemmecke, Shmuel Onn, Robert Weismantel:
A polynomial oracle-time algorithm for convex integer minimization. Math. Program. 126(1): 97-117 (2011) - [j69]Wolfgang Marwan, Annegret Wagler, Robert Weismantel:
Petri nets as a framework for the reconstruction and analysis of signal transduction pathways and regulatory networks. Nat. Comput. 10(2): 639-654 (2011) - [j68]Annegret Wagler, Robert Weismantel:
The combinatorics of modeling and analyzing biological systems. Nat. Comput. 10(2): 655-681 (2011) - [j67]Raymond Hemmecke, Shmuel Onn, Robert Weismantel:
N-fold integer programming and nonlinear multi-transshipment. Optim. Lett. 5(1): 13-25 (2011) - [j66]Alberto Del Pia, Christian Wagner, Robert Weismantel:
A probabilistic comparison of the strength of split, triangle, and quadrilateral cuts. Oper. Res. Lett. 39(4): 234-240 (2011) - [j65]Tilo Beyer, Mandy Busse, Kroum Hristov, Slavyana Gurbiel, Michal Smida, Utz-Uwe Haus, Kathrin Ballerstein, Frank Pfeuffer, Robert Weismantel, Burkhart Schraven, Jonathan A. Lindquist:
Integrating Signals from the T-Cell Receptor and the Interleukin-2 Receptor. PLoS Comput. Biol. 7(8) (2011) - [j64]Markus Durzinsky, Annegret Wagler, Robert Weismantel:
An algorithmic framework for network reconstruction. Theor. Comput. Sci. 412(26): 2800-2815 (2011) - 2010
- [j63]Philipp Rumschinski, Steffen Borchers, Sandro Bosio, Robert Weismantel, Rolf Findeisen:
Set-base dynamical parameter estimation and model invalidation for biochemical reaction networks. BMC Syst. Biol. 4: 69 (2010) - [j62]Martin Ballerstein, Dennis Michaels, Andreas Seidel-Morgenstern, Robert Weismantel:
A theoretical study of continuous counter-current chromatography for adsorption isotherms with inflection points. Comput. Chem. Eng. 34(4): 447-459 (2010) - [j61]Kent Andersen, Quentin Louveaux, Robert Weismantel:
An Analysis of Mixed Integer Linear Sets Based on Lattice Point Free Convex Sets. Math. Oper. Res. 35(1): 233-256 (2010) - [j60]Yael Berstein, Jon Lee, Shmuel Onn, Robert Weismantel:
Parametric nonlinear discrete optimization over well-described sets and matroid intersections. Math. Program. 124(1-2): 233-253 (2010) - [j59]Kent Andersen, Quentin Louveaux, Robert Weismantel:
Mixed-integer sets from two rows of two adjacent simplex bases. Math. Program. 124(1-2): 455-480 (2010) - [j58]Christoph Buchheim, Dennis Michaels, Robert Weismantel:
Integer Programming Subject to Monomial Constraints. SIAM J. Optim. 20(6): 3297-3311 (2010) - [c18]Kent Andersen, Robert Weismantel:
Zero-Coefficient Cuts. IPCO 2010: 57-70 - [c17]Raymond Hemmecke, Matthias Köppe, Robert Weismantel:
A Polynomial-Time Algorithm for Optimizing over N-Fold 4-Block Decomposable Integer Programs. IPCO 2010: 219-229 - [p2]Raymond Hemmecke, Matthias Köppe, Jon Lee, Robert Weismantel:
Nonlinear Integer Programming. 50 Years of Integer Programming 2010: 561-618 - [i6]Jon Lee, Shmuel Onn, Robert Weismantel:
Intractability of approximate multi-dimensional nonlinear optimization on independence systems. CoRR abs/1001.5056 (2010) - [i5]Jon Lee, Shmuel Onn, Lyubov Romanchuk, Robert Weismantel:
The Quadratic Graver Cone, Quadratic Integer Minimization, and Extensions. CoRR abs/1006.0773 (2010)
2000 – 2009
- 2009
- [j57]Utz-Uwe Haus, Kathrin Niermann, Klaus Truemper, Robert Weismantel:
Logic Integer Programming Models for Signaling Networks. J. Comput. Biol. 16(5): 725-743 (2009) - [j56]Utz-Uwe Haus, Klaus Truemper, Robert Weismantel:
Linear Satisfiability Algorithm for 3CNF Formulas of Certain Signaling Networks. J. Satisf. Boolean Model. Comput. 6(1-3): 13-32 (2009) - [j55]Jon Lee, Shmuel Onn, Robert Weismantel:
Approximate Nonlinear Optimization over Weighted Independence Systems. SIAM J. Discret. Math. 23(4): 1667-1681 (2009) - [j54]Kent Andersen, Christian Wagner, Robert Weismantel:
On an Analysis of the Strength of Mixed-Integer Cutting Planes from Multiple Simplex Tableau Rows. SIAM J. Optim. 20(2): 967-982 (2009) - [c16]Jon Lee, Shmuel Onn, Robert Weismantel:
Nonlinear Optimization over a Weighted Independence System. AAIM 2009: 251-264 - [c15]Steffen Borchers, Philipp Rumschinski, Sandro Bosio, Robert Weismantel, Rolf Findeisen:
A set-based framework for coherent model invalidation and parameter estimation of discrete time nonlinear systems. CDC 2009: 6786-6792 - [i4]Raymond Hemmecke, Shmuel Onn, Robert Weismantel:
Multicommodity Flow in Polynomial Time. CoRR abs/0906.5106 (2009) - 2008
- [j53]Markus Durzinsky, Annegret Wagler, Robert Weismantel, Wolfgang Marwan:
Automatic reconstruction of molecular and genetic networks from discrete time series data. Biosyst. 93(3): 181-190 (2008) - [j52]Jignesh Gangadwala, Utz-Uwe Haus, Matthias Jach, Achim Kienle, Dennis Michaels, Robert Weismantel:
Global analysis of combined reaction distillation processes. Comput. Chem. Eng. 32(1-2): 343-355 (2008) - [j51]Eckart Mayer, Utz-Uwe Haus, Jörg Raisch, Robert Weismantel:
Throughput-Optimal Sequences for Cyclically Operated Plants. Discret. Event Dyn. Syst. 18(3): 355-383 (2008) - [j50]Jesús A. De Loera, Raymond Hemmecke, Shmuel Onn, Robert Weismantel:
N-fold integer programming. Discret. Optim. 5(2): 231-241 (2008) - [j49]Matthias Köppe, Quentin Louveaux, Robert Weismantel:
Intermediate integer programming representations using value disjunctions. Discret. Optim. 5(2): 293-313 (2008) - [j48]Wolfgang Marwan, Annegret Wagler, Robert Weismantel:
A mathematical approach to solve the network reconstruction problem. Math. Methods Oper. Res. 67(1): 117-132 (2008) - [j47]Quentin Louveaux, Robert Weismantel:
Polyhedral properties for the intersection of two knapsacks. Math. Program. 113(1): 15-37 (2008) - [j46]Jesús A. De Loera, Raymond Hemmecke, Matthias Köppe, Robert Weismantel:
FPTAS for optimizing polynomials over the mixed-integer points of polytopes in fixed dimension. Math. Program. 115(2): 273-290 (2008) - [j45]Jon Lee, Shmuel Onn, Robert Weismantel:
On test sets for nonlinear integer maximization. Oper. Res. Lett. 36(4): 439-443 (2008) - [j44]Kent Andersen, Quentin Louveaux, Robert Weismantel:
Certificates of linear mixed integer infeasibility. Oper. Res. Lett. 36(6): 734-738 (2008) - [j43]Yael Berstein, Jon Lee, Hugo Maruri-Aguilar, Shmuel Onn, Eva Riccomagno, Robert Weismantel, Henry P. Wynn:
Nonlinear Matroid Optimization and Experimental Design. SIAM J. Discret. Math. 22(3): 901-919 (2008) - [j42]Matthias Jach, Dennis Michaels, Robert Weismantel:
The Convex Envelope of (n--1)-Convex Functions. SIAM J. Optim. 19(3): 1451-1466 (2008) - [c14]Markus Durzinsky, Annegret Wagler, Robert Weismantel:
A Combinatorial Approach to Reconstruct Petri Nets from Experimental Data. CMSB 2008: 328-346 - [i3]Jon Lee, Shmuel Onn, Robert Weismantel:
Nonlinear Optimization over a Weighted Independence System. CoRR abs/0805.0954 (2008) - 2007
- [j41]Utz-Uwe Haus, Dennis Michaels, Andreas Seidel-Morgenstern, Robert Weismantel:
A method to evaluate the feasibility of TMB chromatography for reduced efficiency and purity requirements based on discrete optimization. Comput. Chem. Eng. 31(11): 1525-1534 (2007) - [j40]Julio Saez-Rodriguez, Luca Simeoni, Jonathan A. Lindquist, Rebecca Hemenway, Ursula Bommhardt, Boerge Arndt, Utz-Uwe Haus, Robert Weismantel, Ernst Dieter Gilles, Steffen Klamt, Burkhart Schraven:
A Logical Model Provides Insights into T Cell Receptor Signaling. PLoS Comput. Biol. 3(8) (2007) - [j39]Raymond Hemmecke, Robert Weismantel:
Representation of Sets of Lattice Points. SIAM J. Optim. 18(1): 133-137 (2007) - [c13]Kent Andersen, Quentin Louveaux, Robert Weismantel, Laurence A. Wolsey:
Inequalities from Two Rows of a Simplex Tableau. IPCO 2007: 1-15 - [i2]Yael Berstein, Jon Lee, Hugo Maruri-Aguilar, Shmuel Onn, Eva Riccomagno, Robert Weismantel, Henry P. Wynn:
Nonlinear Matroid Optimization and Experimental Design. CoRR abs/0707.4618 (2007) - 2006
- [j38]Matthias Jach, Matthias Köppe, Robert Weismantel:
Nondecomposable solutions to group equations and an application to polyhedral combinatorics. 4OR 4(1): 29-46 (2006) - [j37]Jesús A. De Loera, Raymond Hemmecke, Matthias Köppe, Robert Weismantel:
Integer Polynomial Optimization in Fixed Dimension. Math. Oper. Res. 31(1): 147-153 (2006) - [j36]Dennis Michaels, Robert Weismantel:
Polyhedra related to integer-convex polynomial systems. Math. Program. 105(2-3): 215-232 (2006) - [j35]Claudio Gentile, Paolo Ventura, Robert Weismantel:
Mod-2 Cuts Generation Yields the Convex Hull of Bounded Integer Feasible Sets. SIAM J. Discret. Math. 20(4): 913-919 (2006) - [c12]Jesús A. De Loera, Raymond Hemmecke, Matthias Köppe, Robert Weismantel:
FPTAS for mixed-integer polynomial optimization with a fixed number of variables. SODA 2006: 743-748 - [i1]Jesús A. De Loera, Raymond Hemmecke, Shmuel Onn, Robert Weismantel:
N-Fold Integer Programming. CoRR abs/math/0605242 (2006) - 2005
- [b2]Dimitris Bertsimas, Robert Weismantel:
Optimization over integers. Athena Scientific 2005, ISBN 978-0-97591-462-5, pp. I-X, 1-602 - 2004
- [j34]Matthias Köppe, Quentin Louveaux, Robert Weismantel, Laurence A. Wolsey:
Extended formulations for Gomory Corner polyhedra. Discret. Optim. 1(2): 141-165 (2004) - [j33]Matthias Köppe, Robert Weismantel:
Cutting planes from a mixed integer Farkas lemma. Oper. Res. Lett. 32(3): 207-211 (2004) - [j32]Kazuo Murota, Hiroo Saito, Robert Weismantel:
Optimality criterion for a class of nonlinear integer programs. Oper. Res. Lett. 32(5): 468-472 (2004) - [p1]Claudio Gentile, Utz-Uwe Haus, Matthias Köppe, Giovanni Rinaldi, Robert Weismantel:
On the Way to Perfection: Primal Operations for Stable Sets in Graphs. The Sharpest Cut 2004: 51-76 - 2003
- [j31]Martin Henk, Matthias Köppe, Robert Weismantel:
Integral decomposition of polyhedra and some applications in mixed integer programming. Math. Program. 94(2-3): 193-206 (2003) - [j30]Utz-Uwe Haus, Matthias Köppe, Robert Weismantel:
A primal all-integer algorithm based on irreducible solutions. Math. Program. 96(2): 205-246 (2003) - [j29]Matthias Köppe, Robert Weismantel:
An algorithm for mixed integer optimization. Math. Program. 98(1-3): 281-307 (2003) - 2002
- [j28]Martin Henk, Robert Weismantel:
Diophantine Approximations and Integer Points of Cones. Comb. 22(3): 401-408 (2002) - [j27]Karen I. Aardal, Robert Weismantel, Laurence A. Wolsey:
Non-standard approaches to integer programming. Discret. Appl. Math. 123(1-3): 5-74 (2002) - [j26]Hugues Marchand, Alexander Martin, Robert Weismantel, Laurence A. Wolsey:
Cutting planes in integer and mixed integer programming. Discret. Appl. Math. 123(1-3): 397-446 (2002) - [j25]Michael Jünger, Rüdiger Schultz, Robert Weismantel:
Preface. Math. Methods Oper. Res. 56(1): 1-2 (2002) - [j24]Robert T. Firla, Bianca Spille, Robert Weismantel:
Exponential irreducible neighborhoods for combinatorial optimization problems. Math. Methods Oper. Res. 56(1): 29-44 (2002) - [j23]