We investigate Cohen-Macaulay and unmixed bipartite graphs without isolated vertices, and show that graphs constructed from them by putting appropriate pairs of loops, the so-called quasi-bipartite graphs, retain such properties.
ALGEBRAIC PROPERTIES OF NON-SQUAREFREE GRAPH IDEALS
IMBESI, Maurizio;LA BARBIERA, MONICA
2013-01-01
Abstract
We investigate Cohen-Macaulay and unmixed bipartite graphs without isolated vertices, and show that graphs constructed from them by putting appropriate pairs of loops, the so-called quasi-bipartite graphs, retain such properties.File in questo prodotto:
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