Title of article
Cohen-Macaulay $r$-partite graphs with minimal clique cover
Author/Authors
Madadi، Asghar نويسنده University of Zanjan , , Zaare-Nahandi، Rashid نويسنده Institute for Advanced Studies in Basic Sciences Zaare-Nahandi, Rashid
Issue Information
دوماهنامه با شماره پیاپی سال 2014
Pages
9
From page
609
To page
617
Abstract
In this paper, we give some necessary conditions for an $r$-partite graph such that the edge ring of the graph is Cohen-Macaulay. It is proved that if there exists a cover of an $r$-partite Cohen-Macaulay graph by disjoint cliques of size $r$, then such a cover is unique.
Journal title
Bulletin of the Iranian Mathematical Society
Serial Year
2014
Journal title
Bulletin of the Iranian Mathematical Society
Record number
1339053
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