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- Title
Semi-infinite Plücker Relations and Weyl Modules.
- Authors
Feigin, Evgeny; Makedonskyi, Ievgen
- Abstract
The goal of this paper is two-fold. First, we write down the semi-infinite Plücker relations, describing the Drinfeld–Plücker embedding of the (formal version of) semi-infinite flag varieties in type A. Second, we study the homogeneous coordinate ring, that is, the quotient by the ideal generated by the semi-infinite Plücker relations. We establish the isomorphism with the algebra of dual global Weyl modules and derive a new character formula.
- Subjects
ALGEBRA; EMBEDDINGS (Mathematics); FLAGS; CHARACTER
- Publication
IMRN: International Mathematics Research Notices, 2020, Vol 2020, Issue 14, p4357
- ISSN
1073-7928
- Publication type
Article
- DOI
10.1093/imrn/rny121