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JCT
2011
108views more  JCT 2011»
13 years 5 months ago
The number of extreme points of tropical polyhedra
The celebrated upper bound theorem of McMullen determines the maximal number of extreme points of a polyhedron in terms of its dimension and the number of constraints which define...
Xavier Allamigeon, Stéphane Gaubert, Ricard...
EJC
2000
13 years 10 months ago
The Generalized Baues Problem for Cyclic Polytopes I
Given an affine surjection of polytopes : P Q, the Generalized Baues Problem asks whether the poset of all proper polyhedral subdivisions of Q which are induced by the map has t...
Jörg Rambau, Francisco Santos
ENDM
2010
101views more  ENDM 2010»
13 years 11 months ago
Finding Gale Strings
Electronic Notes in Discrete Mathematics 36 (2010) 1065
Marta M. Casetti, Julian Merschen, Bernhard von St...