Unmixed bipartite graphs and sublattices of the Boolean lattices

Details Unmixed bipartite graphs and sublattices of the Boolean lattices Unmixed bipartite graphs and sublattices of the Boolean lattices

2008-06-06

arxiv.org/abs/0806.1088v1

Journal of Algebraic Combinatorics 30 (2009), 415--420

Mathematics

Commutative Algebra

5 pages

Scientific paper

The correspondence between unmixed bipartite graphs and sublattices of the
oolean lattice is discussed. By using this correspondence, we show the
existence of squarefree quadratic initial ideals of toric ideals arising from
minimal vertex covers of unmixed bipartite graphs.

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