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Bibliographic Details
Main Authors: Uchiumi, Ryo, Yoshinaga, Masahiko
Format: Preprint
Published: 2024
Subjects:
Online Access:https://arxiv.org/abs/2409.01084
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author Uchiumi, Ryo
Yoshinaga, Masahiko
author_facet Uchiumi, Ryo
Yoshinaga, Masahiko
contents For given linear action of a finite group on a lattice and a positive integer q, we prove that the mod q permutation representation is a quasi-polynomial in q. Additionally, we establish several results that can be considered as mod q-analogues of results by Stapledon for equivariant Ehrhart quasi-polynomials. We also prove a reciprocity-type result for multiplicities of irreducible decompositions.
format Preprint
id arxiv_https___arxiv_org_abs_2409_01084
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle The quasi-polynomiality of mod q permutation representation for a linear finite group action on a lattice
Uchiumi, Ryo
Yoshinaga, Masahiko
Combinatorics
Representation Theory
05E18, 20C10
For given linear action of a finite group on a lattice and a positive integer q, we prove that the mod q permutation representation is a quasi-polynomial in q. Additionally, we establish several results that can be considered as mod q-analogues of results by Stapledon for equivariant Ehrhart quasi-polynomials. We also prove a reciprocity-type result for multiplicities of irreducible decompositions.
title The quasi-polynomiality of mod q permutation representation for a linear finite group action on a lattice
topic Combinatorics
Representation Theory
05E18, 20C10
url https://arxiv.org/abs/2409.01084