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Demazure and Weyl Modules for Hyperalgebras of Twisted Current Algebras

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Author(s):
Bianchi, A. ; Macedo, T.
Total Authors: 2
Document type: Journal article
Source: BULLETIN OF THE BRAZILIAN MATHEMATICAL SOCIETY; v. 53, n. 1, p. 25-pg., 2021-03-11.
Abstract

We study finite-dimensional graded modules for hyperalgebras of twisted current algebras. In particular, we prove that local graded Weyl modules are isomorphic to the corresponding level one Demazure modules, and, moreover, that they are restrictions of corresponding local graded Weyl modules for the hyperalgebra of the untwisted current algebra. (AU)

FAPESP's process: 15/22040-0 - Structural aspects and representations of Kac-Moody algebras, their generalizations and hyperalgebras
Grantee:Angelo Calil Bianchi
Support Opportunities: Regular Research Grants