Large-dimensional homomorphism spaces between Weyl modules and Specht modules

Lyle, Sinéad (2013) Large-dimensional homomorphism spaces between Weyl modules and Specht modules. Journal of Pure and Applied Algebra, 217 (1). pp. 87-96.

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Abstract

We give a family of pairs of Weyl modules for the q-Schur algebras for which the corresponding homomorphism space is at least 2-dimensional. Using this result we show that for any field F and any quantum characteristic, there exist arbitrarily large homomorphism spaces between pairs of Weyl modules.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Mathematics (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Algebra and Combinatorics (former - to 2024) Faculty of Science > Research Groups > Algebra, Number Theory, Logic, and Representations (ANTLR)
Depositing User:	Sinead Lyle
Date Deposited:	29 Apr 2013 14:00
Last Modified:	06 Feb 2025 01:24
URI:	https://ueaeprints.uea.ac.uk/id/eprint/42103
DOI:	10.1016/j.jpaa.2012.04.004

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