Cartan motion group and orbital integrals

Yanli Song, Xiang Tang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In this short note, we study the variation of orbital integrals, as traces on the group algebra G, under the deformation groupoid. We show that orbital integrals are continuous under the deformation. And we prove that the pairing between orbital integrals and K-theory elements of Cr (G) stays constant with respect to the deformation for regular group elements, but varies at singular elements.

Original languageEnglish
Title of host publicationCyclic Cohomology at 40
Subtitle of host publicationAchievements and Future Prospects
EditorsAlain Connes, Alain Connes, Caterina Consani, Bjørn Ian Dundas, Masoud Khalkhali, Henri Moscovici
PublisherAmerican Mathematical Society
Pages477-489
Number of pages13
ISBN (Print)9781470469771
DOIs
StatePublished - 2023
EventVirtual Conference on Cyclic Cohomology at 40: Achievements and Future Prospects, 2021 - Virtual, Online
Duration: Sep 27 2021Oct 1 2021

Publication series

NameProceedings of Symposia in Pure Mathematics
Volume105
ISSN (Print)0082-0717
ISSN (Electronic)2324-707X

Conference

ConferenceVirtual Conference on Cyclic Cohomology at 40: Achievements and Future Prospects, 2021
CityVirtual, Online
Period09/27/2110/1/21

Keywords

  • Cartan motion group
  • Mackey
  • orbital integrals

Fingerprint

Dive into the research topics of 'Cartan motion group and orbital integrals'. Together they form a unique fingerprint.

Cite this