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Beilinson–Drinfeld Schubert varieties and global Demazure modules
Forum of Mathematics, Sigma ( IF 1.389 ) Pub Date : 2021-05-25 , DOI: 10.1017/fms.2021.36
Ilya Dumanski , Evgeny Feigin , Michael Finkelberg

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.

中文翻译:

Beilinson-Drinfeld Schubert 品种和全球 Demazure 模块

我们计算了Beilinson-Drinfeld 仿射Grassmannians 的球形舒伯特子变体上行列式线丛的幂的空间。答案是根据当前李代数上的全局 Demazure 模块给出的。
更新日期:2021-05-25
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