Abstract
The correspondence between unmixed bipartite graphs and sublattices of the Boolean lattice is discussed. By using this correspondence, we show existence of squarefree quadratic initial ideals of toric ideals arising from minimal vertex covers of unmixed bipartite graphs. © 2009 Springer Science+Business Media, LLC.
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CITATION STYLE
APA
Herzog, J., Hibi, T., & Ohsugi, H. (2009). Unmixed bipartite graphs and sublattices of the Boolean lattices. Journal of Algebraic Combinatorics, 30(4), 415–420. https://doi.org/10.1007/s10801-009-0168-1
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