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Main Authors: Hwang, WonTae, Kyaw, Ei Thu Thu
Format: Preprint
Published: 2024
Subjects:
Online Access:https://arxiv.org/abs/2403.08349
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author Hwang, WonTae
Kyaw, Ei Thu Thu
author_facet Hwang, WonTae
Kyaw, Ei Thu Thu
contents We provide a construction of the induced subgraphs of the zero-divisor graph of $M_2(R)$ for the ring $R$ of algebraic integers of some number fields that are neither complete nor connected, and study the structure of the induced subgraphs explicitly. As an application, we prove that the automorphism group of the zero-divisor graph of $M_2(R)$ is not a Jordan group.
format Preprint
id arxiv_https___arxiv_org_abs_2403_08349
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Non-Jordaness of the automorphism group of the zero-divisor graph of a matrix ring over number rings
Hwang, WonTae
Kyaw, Ei Thu Thu
Combinatorics
05C25, 05C50, 05E18, 14H45, 11R04
We provide a construction of the induced subgraphs of the zero-divisor graph of $M_2(R)$ for the ring $R$ of algebraic integers of some number fields that are neither complete nor connected, and study the structure of the induced subgraphs explicitly. As an application, we prove that the automorphism group of the zero-divisor graph of $M_2(R)$ is not a Jordan group.
title Non-Jordaness of the automorphism group of the zero-divisor graph of a matrix ring over number rings
topic Combinatorics
05C25, 05C50, 05E18, 14H45, 11R04
url https://arxiv.org/abs/2403.08349