Beilinson-drinfeld schubert varieties and global Demazure modules

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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
Publication statusPublished - 2021

Keywords

  • 14M15
  • 17B67

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