{"title":"Conditional matroidal edge connectivity of Cayley graphs","authors":"Li Wang , Mingxi Su , Liqing Lin , Xiaohui Hua","doi":"10.1016/j.dam.2025.05.011","DOIUrl":null,"url":null,"abstract":"<div><div>Edge connectivity is an important indicator to evaluate edge fault tolerance. As for a host of networks, the edge connectivity is exactly equal to their minimum degree. Conditional matroidal edge connectivity is a new graph edge connectivity parameter that can be defined when a partition of the edge set is given. It is a good indicator to restrict the different kinds of faulty edges. However, the determination of conditional matroidal edge connectivity is often limited by the edge transitivity of the corresponding graph. In this paper, we use the algebraic technique to conquer the limitation of edge transitivity and give a new method to calculate the conditional matroidal edge connectivity of Cayley graphs. As an application, we not only show the conditional matroidal edge connectivity of varietal hypercube <span><math><mrow><mi>V</mi><msub><mrow><mi>Q</mi></mrow><mrow><mi>n</mi></mrow></msub></mrow></math></span>, but also verify the conditional matroidal edge connectivity of alternating group graph <span><math><mrow><mi>A</mi><msub><mrow><mi>G</mi></mrow><mrow><mi>n</mi></mrow></msub></mrow></math></span> that was studied by Zhang et al. (2022).</div></div>","PeriodicalId":50573,"journal":{"name":"Discrete Applied Mathematics","volume":"373 ","pages":"Pages 271-278"},"PeriodicalIF":1.0000,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Discrete Applied Mathematics","FirstCategoryId":"100","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0166218X25002562","RegionNum":3,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATHEMATICS, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
Edge connectivity is an important indicator to evaluate edge fault tolerance. As for a host of networks, the edge connectivity is exactly equal to their minimum degree. Conditional matroidal edge connectivity is a new graph edge connectivity parameter that can be defined when a partition of the edge set is given. It is a good indicator to restrict the different kinds of faulty edges. However, the determination of conditional matroidal edge connectivity is often limited by the edge transitivity of the corresponding graph. In this paper, we use the algebraic technique to conquer the limitation of edge transitivity and give a new method to calculate the conditional matroidal edge connectivity of Cayley graphs. As an application, we not only show the conditional matroidal edge connectivity of varietal hypercube , but also verify the conditional matroidal edge connectivity of alternating group graph that was studied by Zhang et al. (2022).
期刊介绍:
The aim of Discrete Applied Mathematics is to bring together research papers in different areas of algorithmic and applicable discrete mathematics as well as applications of combinatorial mathematics to informatics and various areas of science and technology. Contributions presented to the journal can be research papers, short notes, surveys, and possibly research problems. The "Communications" section will be devoted to the fastest possible publication of recent research results that are checked and recommended for publication by a member of the Editorial Board. The journal will also publish a limited number of book announcements as well as proceedings of conferences. These proceedings will be fully refereed and adhere to the normal standards of the journal.
Potential authors are advised to view the journal and the open calls-for-papers of special issues before submitting their manuscripts. Only high-quality, original work that is within the scope of the journal or the targeted special issue will be considered.