Classification of problematic subgroups of U(n)

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.

50 pages. Minor expansion of the previous version, adding material on homotopy fixed points and pushout squares

References in corpus (1)

• Bredon Homology of Partition Complexes