On the dimension of the minimal vertex covers semigroup ring of an unmixed bipartite graph

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dc.creatorBertone, Cristina
dc.creatorMicale, Vincenzo
dc.date2008-11-05
dc.date2009-04-24
dc.date.accessioned2026-07-07T13:07:37Z
dc.date.available2026-07-07T13:07:37Z
dc.descriptionIn a paper in 2008, Herzog, Hibi and Ohsugi introduced and studied the semigroup ring associated to the set of minimal vertex covers of an unmixed bipartite graph. In this paper we relate the dimension of this semigroup ring to the rank of the Boolean lattice associated to the graph.
dc.description6 pages, Pragmatic 2008, University of Catania (Italy); corrected typos
dc.identifierhttps://arxiv.org/abs/0811.0747
dc.identifierhttp://arxiv.org/abs/0811.0747
dc.identifierLE MATEMATICHE Vol. LXIII, Fasc. II, pp. 157-163 (2008)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/228148
dc.subjectCommutative Algebra
dc.subjectCombinatorics
dc.subject13P10
dc.titleOn the dimension of the minimal vertex covers semigroup ring of an unmixed bipartite graph
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