Classification of problematic subgroups of U(n)

Julia E. Bergner, Ruth Joachimi, Kathryn Lesh, Vesna Stojanoska, Kirsten Wickelgren

Research output: Contribution to journalArticle

Abstract

Let Ln denote the topological poset of decompositions of ℂn into mutually orthogonal subspaces. We classify p-toral subgroups of U(n) that can have noncontractible fixed points under the action of U(n) on Ln.

Original languageEnglish (US)
Pages (from-to)6739-6777
Number of pages39
JournalTransactions of the American Mathematical Society
Volume371
Issue number10
DOIs
StatePublished - 2019

ASJC Scopus subject areas

  • Mathematics(all)
  • Applied Mathematics

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