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Covering graph for diagram groups from semigroup presentation \(S=\langle a,b:a=b\rangle\).

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Publication:2908893
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zbMATH Open1250.20044MaRDI QIDQ2908893

Abd. Ghafur bin Ahmad, Kalthom Mahmood Alaswad

Publication date: 29 August 2012

Published in: International Journal of Contemporary Mathematical Sciences (Search for Journal in Brave)

Full work available at URL: http://www.m-hikari.com/ijcms-2011/21-24-2011/index.html



zbMATH Keywords

semigroupssemigroup presentationsdiagram groupscovering graphsmappings of 2-complexes


Mathematics Subject Classification ID

Free semigroups, generators and relations, word problems (20M05) Graphs and abstract algebra (groups, rings, fields, etc.) (05C25)



Related Items (2)

Covering space for diagram group from semigroup presentation \(S=\langle a,b,c:a=b,\;b=c,\;c=a\rangle\). ⋮ Title not available (Why is that?)






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