Primary and secondary invariants of Dirac operators on G-proper manifolds

Paolo Piazza, Xiang Tang

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

Abstract

In this article, we survey the recent constructions of cyclic cocycles on the Harish-Chandra Schwartz algebra of a connected real reductive Lie group G and their applications to higher index theory for proper cocompact G-actions.

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
Pages311-351
Number of pages41
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

  • Atiyah-Patodi-Singer higher index theory
  • delocalized cyclic cocycles
  • delocalized eta invariants
  • excision
  • higher delocalized eta invariants
  • higher orbital integrals
  • index classes
  • Lie groups
  • proper actions
  • relative pairing

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