English

Polytopes associated to Dihedral Groups

Combinatorics 2012-12-19 v1 Group Theory Representation Theory

Abstract

In this note we investigate the convex hull of those n×nn \times n-permutation matrices that correspond to symmetries of a regular nn-gon. We give the complete facet description. As an application, we show that this yields a Gorenstein polytope, and we determine the Ehrhart hh^*-vector.

Keywords

Cite

@article{arxiv.1212.4442,
  title  = {Polytopes associated to Dihedral Groups},
  author = {Barbara Baumeister and Christian Haase and Benjamin Nill and Andreas Paffenholz},
  journal= {arXiv preprint arXiv:1212.4442},
  year   = {2012}
}
R2 v1 2026-06-21T22:56:46.255Z