Enumeration of 2-level polytopes

  • A (convex) polytope P is said to be 2-level if for each hyperplane H that supports a facet of P, the vertices of P can be covered with H and exactly one other translate of H. The study of these polytopes is motivated by questions in combinatorial optimization and communication complexity, among others. In this paper, we present the first algorithm for enumerating all combinatorial types of 2-level polytopes of a given dimension d, and provide complete experimental results for d⩽7. Our approach is inductive: for each fixed (d−1)-dimensional 2-level polytope P0, we enumerate all d-dimensional 2-level polytopes P that have P0 as a facet. This relies on the enumeration of the closed sets of a closure operator over a finite ground set. By varying the prescribed facet P0, we obtain all 2-level polytopes in dimension d.

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Metadaten
Author:Adam Bohn, Yuri Faenza, Samuel Fiorini, Vissarion Fisikopoulos, Marco Macchia, Kanstantsin Pashkovich
DOI:https://doi.org/10.1007/s12532-018-0145-6
ISSN:1867-2949
Parent Title (English):Mathematical Programming Computation
Publisher:Springer Science and Business Media LLC
Document Type:Article
Language:English
Year of Completion:2018
Tag:Software; Theoretical Computer Science
Volume:11
Issue:1
Page Number:38
First Page:173
Last Page:210
Mathematical Programming Computation :MPC 2019 - Issue 1
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