Intersection cohomology of the Uhlenbeck compactification of the Calogero–Moser space

Michael Finkelberg, Victor Ginzburg, Andrei Ionov, Alexander Kuznetsov

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

We study the natural Gieseker and Uhlenbeck compactifications of the rational Calogero–Moser phase space. The Gieseker compactification is smooth and provides a small resolution of the Uhlenbeck compactification. We use the resolution to compute the stalks of the IC-sheaf of the Uhlenbeck compactification.

Original languageEnglish
Pages (from-to)2491-2534
Number of pages44
JournalSelecta Mathematica, New Series
Volume22
Issue number4
DOIs
Publication statusPublished - 1 Oct 2016
Externally publishedYes

Keywords

  • 14F43
  • 16532
  • 58B25

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