Mackey analogy as deformation of D -modules

  • Shilin Yu*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Given a real reductive linear Lie group GR, the Mackey analogy is a bijection between the set of irreducible tempered representations of GR and the set of irreducible unitary representations of its Cartan motion group, established by Higson and Afgoustidis. We show that this bijection arises naturally from families of twisted D-modules over the ag variety of GR.

Original languageEnglish
Pages (from-to)421-457
Number of pages37
JournalMathematische Annalen
Volume385
Issue number1-2
DOIs
StatePublished - Feb 2023
Externally publishedYes

Keywords

  • Connes-Kasparov isomorphism
  • D-modules
  • Harish-Chandra modules
  • Mackey-Higson-Afgoustidis bijection
  • Tempered representations

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