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A family of modules with Specht and dual Specht filtrations

Paget, Rowena E. (2007) A family of modules with Specht and dual Specht filtrations. Journal of Algebra, 312 (2). pp. 880-890. ISSN 0021-8693. (doi:10.1016/j.jalgebra.2007.03.022) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided)

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We study the permutation module arising from the action of the symmetric group S-2n, on the conjugacy class of fixed-point-free involutions, defined over an arbitrary field. The indecomposable direct summands of these modules are shown to possess filtrations by Specht modules and also filtrations by dual Specht modules. We see that these provide counterexamples to a conjecture by Hemmer. Twisted permutation modules are also considered, as is an application to the Brauer algebra.

Item Type: Article
DOI/Identification number: 10.1016/j.jalgebra.2007.03.022
Uncontrolled keywords: symmetric group; Specht module; filtration; Brauer algebra
Subjects: Q Science > QA Mathematics (inc Computing science) > QA150 Algebra
Divisions: Faculties > Sciences > School of Mathematics Statistics and Actuarial Science > Pure Mathematics
Depositing User: Stephen Holland
Date Deposited: 19 Dec 2007 19:29 UTC
Last Modified: 28 May 2019 13:37 UTC
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