Isometry Classes of Generalized Associahedra
Séminaire lotharingien de combinatoire, 61A (2009-2011)
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Let W be a finite Coxeter group. Generalized associahedra are convex polytopes constructed from a permutahedron of W and an orientation of the Coxeter graph of W. They play a fundamental role in the theory of finite type cluster algebras initiated by Fomin and Zelevinsky, and also appear in algebraic topology. In this article, we show that the isometries of these polytopes are given by certain automorphisms of oriented Coxeter graphs.
@article{SLC_2009-2011_61A_a0,
author = {Nantel Bergeron and Christophe Hohlweg and Carsten Lange and Hugh Thomas},
title = {Isometry {Classes} of {Generalized} {Associahedra}},
journal = {S\'eminaire lotharingien de combinatoire},
year = {2009-2011},
volume = {61A},
url = {http://geodesic.mathdoc.fr/item/SLC_2009-2011_61A_a0/}
}
Nantel Bergeron; Christophe Hohlweg; Carsten Lange; Hugh Thomas. Isometry Classes of Generalized Associahedra. Séminaire lotharingien de combinatoire, 61A (2009-2011). http://geodesic.mathdoc.fr/item/SLC_2009-2011_61A_a0/