English

Orbit categories, classifying spaces, and generalized homotopy fixed points

Algebraic Topology 2018-05-09 v5 K-Theory and Homology

Abstract

We give a new description of Rosenthal's generalized homotopy fixed point spaces as homotopy limits over the orbit category. This is achieved using a simple categorical model for classifying spaces with respect to families of subgroups.

Keywords

Cite

@article{arxiv.1507.06112,
  title  = {Orbit categories, classifying spaces, and generalized homotopy fixed points},
  author = {Daniel A. Ramras},
  journal= {arXiv preprint arXiv:1507.06112},
  year   = {2018}
}

Comments

10 pages. Version 4: various improvements to the exposition based on comments from the referee and editor

R2 v1 2026-06-22T10:16:17.509Z