Classification of problematic subgroups of U(n)
Algebraic Topology
2017-10-19 v4
Abstract
We classify p-toral subgroups of U(n) that can have non-contractible fixed points under the action of U(n) on the complex of partitions of complex n-space into mutually orthogonal subspaces.
Cite
@article{arxiv.1407.0062,
title = {Classification of problematic subgroups of U(n)},
author = {Julia E. Bergner and Ruth Joachimi and Kathryn Lesh and Vesna Stojanoska and Kirsten Wickelgren},
journal= {arXiv preprint arXiv:1407.0062},
year = {2017}
}
Comments
50 pages. Minor expansion of the previous version, adding material on homotopy fixed points and pushout squares