Homology of Rook-Brauer Algebras and Motzkin Algebras

Fuente: arXiv
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Main Author: Ta, Khoa
Format: Preprint
Published: 2025
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author Ta, Khoa
author_facet Ta, Khoa
contents Using the technique of inductive resolution introduced in arXiv:2303.07979, we prove that the homology of Rook-Brauer Algebra, interpreted as appropriate Tor-group, is isomorphic to that of symmetric group for all degrees under the assumption that $ε$ in $R$ is invertible; furthermore, we also prove the homology of the Motzkin algebras vanishes in positive degrees under the same assumption. These results thereby establish homological stability of both algebras.
format Preprint
id arxiv_https___arxiv_org_abs_2505_21977
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Homology of Rook-Brauer Algebras and Motzkin Algebras
Ta, Khoa
Rings and Algebras
Representation Theory
Using the technique of inductive resolution introduced in arXiv:2303.07979, we prove that the homology of Rook-Brauer Algebra, interpreted as appropriate Tor-group, is isomorphic to that of symmetric group for all degrees under the assumption that $ε$ in $R$ is invertible; furthermore, we also prove the homology of the Motzkin algebras vanishes in positive degrees under the same assumption. These results thereby establish homological stability of both algebras.
title Homology of Rook-Brauer Algebras and Motzkin Algebras
topic Rings and Algebras
Representation Theory
url https://arxiv.org/abs/2505.21977