Non-archimedean Infinite Hecke Algebra

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1. Verfasser: Weising, Milo Bechtloff
Format: Preprint
Veröffentlicht: 2025
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author Weising, Milo Bechtloff
author_facet Weising, Milo Bechtloff
contents We study the representation theory of the infinite type A Hecke algebra over a non-archimedean field in the case where the parameter is a pseudo-uniformizer. Specifically, we consider a family of representations, called almost-symmetric, which satisfy additional topological and algebraic constraints. We construct a family of irreducible almost-symmetric representations indexed by integer partitions which arise as topological completions of specific direct limits of Hecke-Specht modules. Our main result is that every irreducible almost-symmetric representation contains one of these constructed irreducibles as a dense submodule. We give detailed analysis of these representations and construct functionals analogous to finite Hecke algebra traces.
format Preprint
id arxiv_https___arxiv_org_abs_2512_01835
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Non-archimedean Infinite Hecke Algebra
Weising, Milo Bechtloff
Representation Theory
Combinatorics
Operator Algebras
We study the representation theory of the infinite type A Hecke algebra over a non-archimedean field in the case where the parameter is a pseudo-uniformizer. Specifically, we consider a family of representations, called almost-symmetric, which satisfy additional topological and algebraic constraints. We construct a family of irreducible almost-symmetric representations indexed by integer partitions which arise as topological completions of specific direct limits of Hecke-Specht modules. Our main result is that every irreducible almost-symmetric representation contains one of these constructed irreducibles as a dense submodule. We give detailed analysis of these representations and construct functionals analogous to finite Hecke algebra traces.
title Non-archimedean Infinite Hecke Algebra
topic Representation Theory
Combinatorics
Operator Algebras
url https://arxiv.org/abs/2512.01835