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ORCIDChristoph Buchheim
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- affiliation: Technical University of Dortmund, Germany
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2020 – today
- 2024
[j57]Enrico Bettiol, Christoph Buchheim, Marianna De Santis
, Francesco Rinaldi:
An oracle-based framework for robust combinatorial optimization. J. Glob. Optim. 88(1): 27-51 (2024)- [j56]Christoph Buchheim, Alexandra Grütering, Christian Meyer:
Parabolic Optimal Control Problems with Combinatorial Switching Constraints, Part I: Convex Relaxations. SIAM J. Optim. 34(2): 1187-1205 (2024) - [j55]Christoph Buchheim, Alexandra Grütering, Christian Meyer:
Parabolic Optimal Control Problems with Combinatorial Switching Constraints, Part II: Outer Approximation Algorithm. SIAM J. Optim. 34(2): 1295-1315 (2024) - 2023
- [j54]Christoph Buchheim, Maja Hügging:
The polytope of binary sequences with bounded variation. Discret. Optim. 48(Part 1): 100776 (2023) - [j53]Christoph Buchheim:
Bilevel linear optimization belongs to NP and admits polynomial-size KKT-based reformulations. Oper. Res. Lett. 51(6): 618-622 (2023) - 2022
- [j52]Federica Bomboi, Christoph Buchheim, Jonas Pruente:
On the stochastic vehicle routing problem with time windows, correlated travel times, and time dependency. 4OR 20(2): 217-239 (2022) - [j51]Christoph Buchheim, Dorothee Henke:
The robust bilevel continuous knapsack problem with uncertain coefficients in the follower's objective. J. Glob. Optim. 83(4): 803-824 (2022) - [j50]Christoph Buchheim, Dorothee Henke, Jannik Irmai:
The Stochastic Bilevel Continuous Knapsack Problem with Uncertain Follower's Objective. J. Optim. Theory Appl. 194(2): 521-542 (2022) - [j49]Christoph Buchheim, Dorothee Henke, Felix Hommelsheim:
On the complexity of the bilevel minimum spanning tree problem. Networks 80(3): 338-355 (2022) - [j48]Christoph Buchheim, Emiliano Traversi:
Convex optimization under combinatorial sparsity constraints. Oper. Res. Lett. 50(6): 632-638 (2022) - [c26]Christoph Buchheim, Maja Hügging:
Bounded Variation in Binary Sequences. ISCO 2022: 64-75 - [i7]Luce Brotcorne, Christoph Buchheim, Dick den Hertog, Dorothee Henke:
Optimization at the Second Level (Dagstuhl Seminar 22441). Dagstuhl Reports 12(10): 207-224 (2022) - 2021
- [j47]Borzou Rostami, Nicolas Kämmerling, Joe Naoum-Sawaya, Christoph Buchheim, Uwe Clausen:
Stochastic single-allocation hub location. Eur. J. Oper. Res. 289(3): 1087-1106 (2021) - [j46]Christoph Buchheim, Marcia Fampa, Orlando Sarmiento:
Lower Bounds for Cubic Optimization over the Sphere. J. Optim. Theory Appl. 188(3): 823-846 (2021) - [j45]Christoph Buchheim, Dorothee Henke, Felix Hommelsheim:
On the complexity of robust bilevel optimization with uncertain follower's objective. Oper. Res. Lett. 49(5): 703-707 (2021) - [i6]Christoph Buchheim, Dorothee Henke, Felix Hommelsheim:
On the Complexity of Robust Bilevel Optimization With Uncertain Follower's Objective. CoRR abs/2105.08378 (2021) - [i5]Christoph Buchheim, Dorothee Henke, Jannik Irmai:
The stochastic bilevel continuous knapsack problem with uncertain follower's objective. CoRR abs/2108.12303 (2021) - 2020
- [j44]Christoph Buchheim:
A note on the nonexistence of oracle-polynomial algorithms for robust combinatorial optimization. Discret. Appl. Math. 285: 591-593 (2020) - [j43]Lars Eufinger, Jannis Kurtz, Christoph Buchheim, Uwe Clausen:
A Robust Approach to the Capacitated Vehicle Routing Problem with Uncertain Costs. INFORMS J. Optim. 2(2): 79-95 (2020) - [i4]Christoph Buchheim, Dorothee Henke, Felix Hommelsheim:
On the Complexity of the Bilevel Minimum Spanning Tree Problem. CoRR abs/2012.12770 (2020)
2010 – 2019
- 2019
- [j42]Christoph Buchheim, Yves Crama, Elisabeth Rodríguez-Heck:
Berge-acyclic multilinear 0-1 optimization problems. Eur. J. Oper. Res. 273(1): 102-107 (2019) - [j41]Christoph Buchheim, Jonas Pruente:
K-adaptability in stochastic combinatorial optimization under objective uncertainty. Eur. J. Oper. Res. 277(3): 953-963 (2019) - [j40]Christoph Buchheim, Maribel Montenegro, Angelika Wiegele:
SDP-based branch-and-bound for non-convex quadratic integer optimization. J. Glob. Optim. 73(3): 485-514 (2019) - [j39]Christoph Buchheim, Marianna De Santis:
An active set algorithm for robust combinatorial optimization based on separation oracles. Math. Program. Comput. 11(4): 755-789 (2019) - [c25]Christoph Buchheim, Marcia Fampa, Orlando Sarmiento:
Tractable Relaxations for the Cubic One-Spherical Optimization Problem. WCGO 2019: 267-276 - [i3]Christoph Buchheim, Dorothee Henke:
The robust bilevel continuous knapsack problem. CoRR abs/1903.02810 (2019) - 2018
- [j38]Christoph Buchheim, Renke Kuhlmann, Christian Meyer:
Combinatorial optimal control of semilinear elliptic PDEs. Comput. Optim. Appl. 70(3): 641-675 (2018) - [j37]Borzou Rostami, Nicolas Kämmerling, Christoph Buchheim, Uwe Clausen:
Reliable single allocation hub location problem under hub breakdowns. Comput. Oper. Res. 96: 15-29 (2018) - [j36]Christoph Buchheim, Jannis Kurtz:
Complexity of min-max-min robustness for combinatorial optimization under discrete uncertainty. Discret. Optim. 28: 1-15 (2018) - [j35]Christoph Buchheim, Jannis Kurtz:
Robust combinatorial optimization under convex and discrete cost uncertainty. EURO J. Comput. Optim. 6(3): 211-238 (2018) - [j34]Borzou Rostami, André B. Chassein, Michael Hopf, Davide Frey, Christoph Buchheim, Federico Malucelli, Marc Goerigk:
The quadratic shortest path problem: complexity, approximability, and solution methods. Eur. J. Oper. Res. 268(2): 473-485 (2018) - [j33]Christoph Buchheim, Emiliano Traversi:
Quadratic Combinatorial Optimization Using Separable Underestimators. INFORMS J. Comput. 30(3): 424-437 (2018) - [j32]Christoph Buchheim, Marianna De Santis, Francesco Rinaldi, Long Trieu:
A Frank-Wolfe based branch-and-bound algorithm for mean-risk optimization. J. Glob. Optim. 70(3): 625-644 (2018) - 2017
- [j31]Christoph Buchheim, Claudia D'Ambrosio:
Monomial-wise optimal separable underestimators for mixed-integer polynomial optimization. J. Glob. Optim. 67(4): 759-786 (2017) - [j30]Christoph Buchheim, Jannis Kurtz:
Min-max-min robust combinatorial optimization. Math. Program. 163(1-2): 1-23 (2017) - 2016
- [j29]J. Fabian Meier, Uwe Clausen, Borzou Rostami, Christoph Buchheim:
A Compact Linearisation of Euclidean Single Allocation Hub Location Problems. Electron. Notes Discret. Math. 52: 37-44 (2016) - [j28]Christoph Buchheim, Jannis Kurtz:
Min-max-min robustness: a new approach to combinatorial optimization under uncertainty based on multiple solutions. Electron. Notes Discret. Math. 52: 45-52 (2016) - [j27]Borzou Rostami, Christoph Buchheim, J. Fabian Meier, Uwe Clausen:
Lower Bounding Procedures for the Single Allocation Hub Location Problem. Electron. Notes Discret. Math. 52: 69-76 (2016) - [j26]Joe Naoum-Sawaya, Christoph Buchheim:
Robust Critical Node Selection by Benders Decomposition. INFORMS J. Comput. 28(1): 162-174 (2016) - [j25]Matthias Schweinoch, Renke Schäfer, Alexei Sacharow, Dirk Biermann, Christoph Buchheim:
A non-rigid registration method for the efficient analysis of shape deviations in production engineering applications. Prod. Eng. 10(2): 137-146 (2016) - [j24]Christoph Buchheim, Marianna De Santis, Stefano Lucidi, Francesco Rinaldi, Long Trieu:
A Feasible Active Set Method with Reoptimization for Convex Quadratic Mixed-Integer Programming. SIAM J. Optim. 26(3): 1695-1714 (2016) - [c24]Christoph Buchheim, Maribel Montenegro, Angelika Wiegele:
A Coordinate Ascent Method for Solving Semidefinite Relaxations of Non-convex Quadratic Integer Programs. ISCO 2016: 110-122 - [c23]Borzou Rostami, Christopher Strothmann, Christoph Buchheim:
A Decomposition Approach for Single Allocation Hub Location Problems with Multiple Capacity Levels. ISCO 2016: 237-248 - 2015
- [j23]Christoph Buchheim, Emiliano Traversi:
On the separation of split inequalities for non-convex quadratic integer programming. Discret. Optim. 15: 1-14 (2015) - [j22]Christoph Buchheim, Marianna De Santis, Laura Palagi:
A fast branch-and-bound algorithm for non-convex quadratic integer optimization subject to linear constraints using ellipsoidal relaxations. Oper. Res. Lett. 43(4): 384-388 (2015) - [j21]Christoph Buchheim, Ruth Hübner, Anita Schöbel:
Ellipsoid Bounds for Convex Quadratic Integer Programming. SIAM J. Optim. 25(2): 741-769 (2015) - [c22]Borzou Rostami, Federico Malucelli, Davide Frey, Christoph Buchheim:
On the Quadratic Shortest Path Problem. SEA 2015: 379-390 - 2014
- [j20]Christoph Buchheim, Laura Klein:
Combinatorial optimization with one quadratic term: Spanning trees and forests. Discret. Appl. Math. 177: 34-52 (2014) - [j19]Laura Klein, Tobias Wagner, Christoph Buchheim, Dirk Biermann:
A procedure for the evaluation and compensation of form errors by means of global isometric registration with subsequent local reoptimization. Prod. Eng. 8(1-2): 81-89 (2014) - [c21]Christoph Buchheim, Claudia D'Ambrosio:
Box-Constrained Mixed-Integer Polynomial Optimization Using Separable Underestimators. IPCO 2014: 198-209 - [c20]Frank Baumann, Christoph Buchheim, Anna Ilyina:
Lagrangean Decomposition for Mean-Variance Combinatorial Optimization. ISCO 2014: 62-74 - [c19]Christoph Buchheim, Long Trieu:
Active Set Methods with Reoptimization for Convex Quadratic Integer Programming. ISCO 2014: 125-136 - 2013
- [j18]Christoph Buchheim, Angelika Wiegele:
Semidefinite relaxations for non-convex quadratic mixed-integer programming. Math. Program. 141(1-2): 435-452 (2013) - [j17]Christoph Buchheim, Marianna De Santis, Laura Palagi, Mauro Piacentini:
An Exact Algorithm for Nonconvex Quadratic Integer Minimization Using Ellipsoidal Relaxations. SIAM J. Optim. 23(3): 1867-1889 (2013) - [c18]Christoph Buchheim, Long Trieu:
Quadratic Outer Approximation for Convex Integer Programming with Box Constraints. SEA 2013: 224-235 - [c17]Christoph Buchheim, Emiliano Traversi:
Separable Non-convex Underestimators for Binary Quadratic Programming. SEA 2013: 236-247 - [r1]Christoph Buchheim, Markus Chimani, Carsten Gutwenger, Michael Jünger, Petra Mutzel:
Crossings and Planarization. Handbook of Graph Drawing and Visualization 2013: 43-85 - [i2]Christoph Buchheim, Laura Klein:
The spanning tree problem with one quadratic term. CTW 2013: 31-34 - 2012
- [j16]Christoph Buchheim, Alberto Caprara, Andrea Lodi:
An effective branch-and-bound algorithm for convex quadratic integer programming. Math. Program. 135(1-2): 369-395 (2012) - 2011
- [c16]Christoph Buchheim, Frauke Liers, Laura Sanità:
An Exact Algorithm for Robust Network Design. INOC 2011: 7-17 - 2010
- [j15]Frank Baumann, Christoph Buchheim:
Submodular Formulations for Range Assignment Problems. Electron. Notes Discret. Math. 36: 239-246 (2010) - [j14]Christoph Buchheim, Angelika Wiegele, Lanbo Zheng:
Exact Algorithms for the Quadratic Linear Ordering Problem. INFORMS J. Comput. 22(1): 168-177 (2010) - [j13]Christoph Buchheim, Frauke Liers, Marcus Oswald:
Speeding up IP-based algorithms for constrained quadratic 0-1 optimization. Math. Program. 124(1-2): 513-535 (2010) - [j12]Christoph Buchheim, Dennis Michaels, Robert Weismantel:
Integer Programming Subject to Monomial Constraints. SIAM J. Optim. 20(6): 3297-3311 (2010) - [c15]Frank Baumann, Christoph Buchheim, Frauke Liers:
Exact Bipartite Crossing Minimization under Tree Constraints. CTW 2010: 17-20 - [c14]Federico Bizzarri, Christoph Buchheim, Sergio Callegari, Alberto Caprara, Andrea Lodi, Riccardo Rovatti, Gianluca Setti:
Practical Solution of Periodic Filtered Approximation as a Convex Quadratic Integer Program. CSDM 2010: 149-160 - [c13]Christoph Buchheim, Alberto Caprara, Andrea Lodi:
An Effective Branch-and-Bound Algorithm for Convex Quadratic Integer Programming. IPCO 2010: 285-298 - [c12]Frank Baumann, Christoph Buchheim, Frauke Liers:
Exact Bipartite Crossing Minimization under Tree Constraints. SEA 2010: 118-128
2000 – 2009
- 2009
- [j11]Christoph Buchheim, Peter J. Cameron, Taoyang Wu:
On the subgroup distance problem. Discret. Math. 309(4): 962-968 (2009) - [j10]Christoph Buchheim, Giovanni Rinaldi:
Terse Integer Linear Programs for Boolean Optimization. J. Satisf. Boolean Model. Comput. 6(1-3): 121-139 (2009) - 2008
- [j9]Christoph Buchheim, Seok-Hee Hong:
Testing Planarity of Geometric Automorphisms in Linear Time. Algorithmica 52(4): 448-465 (2008) - [j8]Christoph Buchheim, Markus Chimani, Dietmar Ebner, Carsten Gutwenger, Michael Jünger, Gunnar W. Klau, Petra Mutzel, René Weiskircher:
A branch-and-cut approach to the crossing number problem. Discret. Optim. 5(2): 373-388 (2008) - [j7]Christoph Buchheim, Frauke Liers, Marcus Oswald:
Local cuts revisited. Oper. Res. Lett. 36(4): 430-433 (2008) - [c11]Christoph Buchheim, Frauke Liers, Marcus Oswald:
A Basic Toolbox for Constrained Quadratic 0/1 Optimization. WEA 2008: 249-262 - 2007
- [j6]Christoph Buchheim, Giovanni Rinaldi:
Efficient Reduction of Polynomial Zero-One Optimization to the Quadratic Case. SIAM J. Optim. 18(4): 1398-1413 (2007) - [c10]Lanbo Zheng, Christoph Buchheim:
A New Exact Algorithm for the Two-Sided Crossing Minimization Problem. COCOA 2007: 301-310 - 2006
- [j5]Christoph Buchheim, Michael Jünger, Sebastian Leipert:
Drawing rooted trees in linear time. Softw. Pract. Exp. 36(6): 651-665 (2006) - [c9]Christoph Buchheim, Michael Jünger, Annette Menze, Merijam Percan:
Bimodal Crossing Minimization. COCOON 2006: 497-506 - [c8]Christoph Buchheim, Lanbo Zheng:
Fixed Linear Crossing Minimization by Reduction to the Maximum Cut Problem. COCOON 2006: 507-516 - [i1]Christoph Buchheim, Peter J. Cameron, Taoyang Wu:
On the Subgroup Distance Problem. Electron. Colloquium Comput. Complex. TR06 (2006) - 2005
- [j4]Christoph Buchheim, Michael Jünger:
Linear optimization over permutation groups. Discret. Optim. 2(4): 308-319 (2005) - [j3]Christoph Buchheim, Seok-Hee Hong:
Crossing Minimization for Symmetries. Theory Comput. Syst. 38(3): 293-311 (2005) - [c7]Christoph Buchheim, Dietmar Ebner, Michael Jünger, Gunnar W. Klau, Petra Mutzel, René Weiskircher:
Exact Crossing Minimization. GD 2005: 37-48 - 2004
- [j2]Thorsten Akkerman, Christoph Buchheim, Michael Jünger, Daniel Teske:
On the complexity of drawing trees nicely: corrigendum. Acta Informatica 40(8): 603-607 (2004) - 2003
- [b1]Christoph Buchheim:
An integer programming approach to exact and fuzzy symmetry detection. University of Cologne, Germany, 2003, pp. 1-81 - [j1]Christoph Buchheim, Michael Jünger:
Detecting symmetries by branch & cut. Math. Program. 98(1-3): 369-384 (2003) - [c6]Christoph Buchheim, Michael Jünger:
An Integer Programming Approach to Fuzzy Symmetry Detection. GD 2003: 166-177 - 2002
- [c5]Christoph Buchheim, Michael Jünger, Sebastian Leipert:
Improving Walker's Algorithm to Run in Linear Time. GD 2002: 344-353 - [c4]Christoph Buchheim, Seok-Hee Hong:
Crossing Minimization for Symmetries. ISAAC 2002: 563-574 - 2001
- [c3]Christoph Buchheim, Michael Jünger:
Detecting Symmetries by Branch & Cut. GD 2001: 178-188 - 2000
- [c2]Christoph Buchheim, Michael Jünger, Sebastian Leipert:
A Fast Layout Algorithm for k-Level Graphs. GD 2000: 229-240
1990 – 1999
- 1998
- [c1]Petra Mutzel, Carsten Gutwenger, Ralf Brockenauer, Sergej Fialko, Gunnar W. Klau, Michael Krüger, Thomas Ziegler, Stefan Näher, David Alberts, Dirk Ambras, Gunter Koch, Michael Jünger, Christoph Buchheim, Sebastian Leipert:
A Library of Algorithms for Graph Drawing. GD 1998: 456-457
Coauthor Index
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