Some Properties of the Generalized Foulkes Module

Abstract Describing the decomposition of the Foulkes module $$F_b^a$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>F</mml:mi> <mml:mi>b</mml:mi> <mml:mi>a</mml:mi> </mml:msubsup> </mml:math> into irreducible Specht modules is an open problem when both $$a,b &gt; 3$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>a</mml:mi> <mml:mo>,</mml:mo> <mml:mi>b</mml:mi> <mml:mo>&gt;</mml:mo> <mml:mn>3</mml:mn> </mml:mrow> </mml:math> . In this article we provide a new approach for the Generalized Foulkes module $$F_{\nu }^a$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>F</mml:mi> <mml:mrow> <mml:mi>ν</mml:mi> </mml:mrow> <mml:mi>a</mml:mi> </mml:msubsup> </mml:math> (with arbitrary partition $$\nu $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ν</mml:mi> </mml:math> of b ) through its restriction to a maximal Young subgroup $${S_b \times S_{ab -b}}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msub> <mml:mi>S</mml:mi> <mml:mi>b</mml:mi> </mml:msub> <mml:mo>×</mml:mo> <mml:msub> <mml:mi>S</mml:mi> <mml:mrow> <mml:mi>a</mml:mi> <mml:mi>b</mml:mi> <mml:mo>-</mml:mo> <mml:mi>b</mml:mi> </mml:mrow> </mml:msub> </mml:mrow> </mml:math> .

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Publication Details

Journal
Algebras and Representation Theory
Published
2025-09-12
DOI
https://doi.org/10.1007/s10468-025-10359-0
Primary Topic
Nonlinear Optical Materials Research
Type
article
Field-Weighted Citation Impact
0.00

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article

Some Properties of the Generalized Foulkes Module

Pál Hegedüs, Sai Praveen Madireddi
Algebras and Representation Theory
Nonlinear Optical Materials Research
article

Some Properties of the Generalized Foulkes Module

Pál Hegedüs, Sai Praveen Madireddi
article en

Abstract

Abstract Describing the decomposition of the Foulkes module $$F_b^a$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>F</mml:mi> <mml:mi>b</mml:mi> <mml:mi>a</mml:mi> </mml:msubsup> </mml:math> into irreducible Specht modules is an open problem when both $$a,b &gt; 3$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>a</mml:mi> <mml:mo>,</mml:mo> <mml:mi>b</mml:mi> <mml:mo>&gt;</mml:mo> <mml:mn>3</mml:mn> </mml:mrow> </mml:math> . In this article we provide a new approach for the Generalized Foulkes module $$F_{\nu }^a$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>F</mml:mi> <mml:mrow> <mml:mi>ν</mml:mi> </mml:mrow> <mml:mi>a</mml:mi> </mml:msubsup> </mml:math> (with arbitrary partition $$\nu $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>ν</mml:mi> </mml:math> of b ) through its restriction to a maximal Young subgroup $${S_b \times S_{ab -b}}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msub> <mml:mi>S</mml:mi> <mml:mi>b</mml:mi> </mml:msub> <mml:mo>×</mml:mo> <mml:msub> <mml:mi>S</mml:mi> <mml:mrow> <mml:mi>a</mml:mi> <mml:mi>b</mml:mi> <mml:mo>-</mml:mo> <mml:mi>b</mml:mi> </mml:mrow> </mml:msub> </mml:mrow> </mml:math> .

Algebras and Representation TheoryVol. 28(5)
Central European University (AT), Budapest University of Technology and Economics (HU)
European Commission, Central European University, Nemzeti Kutatási Fejlesztési és Innovációs Hivatal, National Research, Development and Innovation Office
Openalex Percentile: Top 82%
Nonlinear Optical Materials Research
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