On Intermediate Subalgebras of C-simple Group Actions

Tattwamasi Amrutam

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


We show that for a large class of actions A of C-simple groups on unital C-algebras A, including any non-faithful action of a hyperbolic group with trivial amenable radical, every intermediate C-subalgebra B, C B A r, is of the form A 1 r, where A 1 is a unital -C-subalgebra of A.

Original languageEnglish
Pages (from-to)16191-16202
Number of pages12
JournalInternational Mathematics Research Notices
Issue number21
StatePublished - 1 Nov 2021
Externally publishedYes

ASJC Scopus subject areas

  • General Mathematics


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