The embedding of line graphs associated to the annihilator graph of commutative rings

Fuente: arXiv
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Auteurs principaux: Shariq, Mohd, Mathil, Praveen, Nazim, Mohd, Kumar, Jitender
Format: Preprint
Publié: 2024
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author Shariq, Mohd
Mathil, Praveen
Nazim, Mohd
Kumar, Jitender
author_facet Shariq, Mohd
Mathil, Praveen
Nazim, Mohd
Kumar, Jitender
contents The annihilator graph $AG(R)$ of the commutative ring $R$ is an undirected graph with vertex set as the set of all non-zero zero divisors of $R$, and two distinct vertices $x$ and $y$ are adjacent if and only if $ann(xy) \neq ann(x) \cup ann(y)$. In this paper, we study the embedding of the line graph of $AG(R)$ into orientable or non-orientable surfaces. We completely characterize all the finite commutative rings such that the line graph of $AG(R)$ is of genus or crosscap at most two. We also obtain the inner vertex number of $L(AG(R))$. Finally, we classify all the finite rings such that the book thickness of $L(AG(R))$ is at most four.
format Preprint
id arxiv_https___arxiv_org_abs_2409_18671
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle The embedding of line graphs associated to the annihilator graph of commutative rings
Shariq, Mohd
Mathil, Praveen
Nazim, Mohd
Kumar, Jitender
Combinatorics
Rings and Algebras
05C25, 13A70
The annihilator graph $AG(R)$ of the commutative ring $R$ is an undirected graph with vertex set as the set of all non-zero zero divisors of $R$, and two distinct vertices $x$ and $y$ are adjacent if and only if $ann(xy) \neq ann(x) \cup ann(y)$. In this paper, we study the embedding of the line graph of $AG(R)$ into orientable or non-orientable surfaces. We completely characterize all the finite commutative rings such that the line graph of $AG(R)$ is of genus or crosscap at most two. We also obtain the inner vertex number of $L(AG(R))$. Finally, we classify all the finite rings such that the book thickness of $L(AG(R))$ is at most four.
title The embedding of line graphs associated to the annihilator graph of commutative rings
topic Combinatorics
Rings and Algebras
05C25, 13A70
url https://arxiv.org/abs/2409.18671