English

Equivariant CW-Complexes and the Orbit Category

Algebraic Topology 2010-02-09 v3 Representation Theory

Abstract

We give a general framework for studying G-CW complexes via the orbit category. As an application we show that the symmetric group G=S_5 admits a finite G-CW complex X homotopy equivalent to a sphere, with cyclic isotropy subgroups.

Keywords

Cite

@article{arxiv.0807.3357,
  title  = {Equivariant CW-Complexes and the Orbit Category},
  author = {Ian Hambleton and Semra Pamuk and Ergun Yalcin},
  journal= {arXiv preprint arXiv:0807.3357},
  year   = {2010}
}

Comments

48 pages. The results are unchanged, but revisions to the exposition have been made following a referee's report

R2 v1 2026-06-21T11:02:53.482Z