English

Couniversal spaces which are equivariant commutative ring spectra

Algebraic Topology 2018-01-31 v1

Abstract

The note identifies which which couniversal spaces have suspension spectra equivalent to commutative orthogonal ring G-spectra for a compact Lie group G. These are precisely those whose cofamily is closed under passage to finite index subgroups. Equivalently these are the couniversal spaces admitting an action of an equivariant E infinity operad.

Keywords

Cite

@article{arxiv.1801.09766,
  title  = {Couniversal spaces which are equivariant commutative ring spectra},
  author = {J. P. C. Greenlees},
  journal= {arXiv preprint arXiv:1801.09766},
  year   = {2018}
}
R2 v1 2026-06-23T00:02:27.417Z