The intersection complex as a weight truncation and an application to Shimura varieties

Sophie Morel

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Scopus citations

Abstract

The purpose of this talk is to present an (apparently) new way to look at the intersection complex of a singular variety over a finite field, or, more generally, at the intermediate extension functor on pure perverse sheaves, and an application of this to the cohomology of noncompact Shimura varieties.

Original languageEnglish (US)
Title of host publicationProceedings of the International Congress of Mathematicians 2010, ICM 2010
Pages312-334
Number of pages23
StatePublished - Dec 1 2010
Externally publishedYes
EventInternational Congress of Mathematicians 2010, ICM 2010 - Hyderabad, India
Duration: Aug 19 2010Aug 27 2010

Publication series

NameProceedings of the International Congress of Mathematicians 2010, ICM 2010

Other

OtherInternational Congress of Mathematicians 2010, ICM 2010
CountryIndia
CityHyderabad
Period8/19/108/27/10

All Science Journal Classification (ASJC) codes

  • Mathematics(all)

Keywords

  • Frobenius weights
  • Intersection cohomology
  • Shimura varieties

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