Beilinson–Drinfeld Schubert varieties and global Demazure modules

Ilya Dumanski, Evgeny Feigin, Michael Finkelberg

Research output: Contribution to journalArticlepeer-review

Abstract

We compute the spaces of sections of powers of the determinant line bundle on the spherical Schubert subvarieties of the Beilinson–Drinfeld affine Grassmannians. The answer is given in terms of global Demazure modules over the current Lie algebra.

Original languageEnglish
Article numbere42
JournalForum of Mathematics, Sigma
Volume9
DOIs
StatePublished - 2021
Externally publishedYes

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