Publications

Theses

Ph.D. Thesis, 2007

Minkowski Sums of Polytopes: Combinatorics and Computation

Institution: Ecole Polytechnique Fédérale de Lausanne

Supervisors: Prof. Thomas Liebling and Prof. Komei Fukuda

Experts: Prof. Peter Gritzmann and Prof. Günter Ziegler

[Abstract] [Full text] [Bibtex]

Master Thesis, 2000

Parallel implementation of a distinct elements simulation of a granular media

Institution: Ecole Polytechnique Fédérale de Lausanne

Supervisors: Prof. Thomas Liebling and Jean-Albert Ferrez

Expert: Didier Müller

Articles

Sylvain Lazard, Christophe Weibel, Sue Whitesides, Linqiao Zhang, 2010

A Succinct 3D Visibility Skeleton

Accepted in Discrete Mathematics, Algorithms and Applications [Abstract]

Komei Fukuda, Christophe Weibel, 2010

Minkowski Sums of polytopes relatively in general position

European Journal of Combinatorics, vol. 31 (2010), pp. 565-573 [Abstract] [Full text] [Bibtex]

Efi Fogel, Dan Halperin, Christophe Weibel, 2009

On the exact maximum complexity of Minkowski sums of convex polyhedra

Discrete & Computational Geometry, vol. 42 (2009), pp. 654-669 [Abstract] [Bibtex]

Komei Fukuda, Christophe Weibel, 2007

f-vectors of Minkowski additions of convex polytopes

Discrete & Computational Geometry, vol. 37 (2007), pp. 503-516 [Abstract] [Full text] [Bibtex]

Carolina Osorio et al., 2006

Carolina Osorio, Christophe Weibel, Pau Perez, Michel Bierlaire, Philippe Garnerin

Patient flow simulation as a tool for estimating policy impact

Swiss Medical Informatics, vol. 58 (2006), pp. 33-36 [Abstract] [Full text] [Bibtex]

Conference proceedings

A. Chakrabarti, L. Fleischer, C. Weibel, 2012

When the Cut Condition is Enough; A Complete Characterization for Multiflow Problems in Series-Parallel Networks

Proceedings of the 44th Symposium on Theory of Computing (STOC 2012)

C. Weibel, L. Zhang, 2011

Minimum Perimeter Convex Hull of Imprecise Points in Convex Regions

Presented at the ACM Symposium on Computational Geometry (SoCG 2011), multimedia session

Erin Chambers, Alejandro Erickson, Sandor Fekete, Jon Lenchner, John Sember, Venkatesh Srinivasan, Ulrike Stege, Svetlana Stolpner, Christophe Weibel, Sue Whitesides, 2010

Connectivity graphs of uncertainty regions

Proceedings of the International Symposium on Algorithms and Computation (ISAAC 2010) Jeju Island, KOREA [Abstract] [Full text]

Vida Dujmovic, William Evans, Stephen Kobourov, Giuseppe Liotta, Christophe Weibel, Stephen Wismath, 2010

On Graphs Supported by Line Sets

Accepted by the 18th International Symposium on Graph Drawing (GD 2010) Konstanz, Germany [Abstract]

Sylvain Lazard, Christophe Weibel, Sue Whitesides, Linqiao Zhang, 2010

On the Computation of the 3D Visibility Skeleton

Proceedings of the 16th Annual International Computing and Combinatorics Conference (COCOON 2010) pp. 469-478, Nha Trang, Vietnam [Abstract] [Bibtex]

Chandra Chekuri, Bruce Shepherd, Christophe Weibel, 2010

Flow-Cut Gaps for Integer and Fractional Multiflows

Proceedings of the 21st Annual ACM-SIAM Symposium on Discrete Algorithms (SoDA 2010) pp. 1198-1208, Austin, Texas [Abstract] [Full text] [Bibtex]

Christophe Weibel, 2010

Implementation and parallelization of a reverse-search algorithm for Minkowski sums

Proceedings of the 12th Workshop on Algorithm Engineering and Experiments (ALENEX 2010) pp. 34-42, Austin, Texas [Bibtex]

Linqiao Zhang, Hazel Everett, Sylvain Lazard, Christophe Weibel, Sue Whitesides, 2008

On the size of the 3D visibility skeleton: experimental results

Proceedings of the 16th Annual European Symposium on Algorithms (ESA 2008), Karlsruhe, 2008

Efi Fogel, Dan Halperin, Christophe Weibel, 2007

On the Exact Maximum Complexity of Minkowski Sums of Convex Polyhedra

Proc. 23rd ACM Symposium on Computational Geometry (SoCG 07) pp. 319-326, Gyeongju, South Korea, 2007

Komei Fukuda, Christophe Weibel, 2005

Computing faces up to k dimensions of a Minkowski Sum of Polytopes

Proceedings of the 17th Canadian Conference on Computational Geometry (CCCG 05), pp. 256-259

Preprints

Christophe Weibel, 2010

Maximal f-vectors of Minkowski sums of large numbers of polytopes

Submitted to Discrete & Computational Geometry, 2011 [Full text]

Amit Chakrabarti, Lisa Fleischer, Christophe Weibel, 2011

Characterization of routable multicommodity flows in series-parallel networks

In preparation

Benjamin Matschke, Francisco Santos, Christophe Weibel, 2011

The width of 5-prismatoids and smaller non-Hirsch polytopes

In preparation

Guyslain Naves, Christophe Weibel, 2010

Congestion in planar graphs with demands on faces [Full text]

Komei Fukuda, Christophe Weibel, 2009

Facet computation for Minkowski sums of polytopes