most citedThe Euler characteristic as a polynomial in the Chern classes

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math.AC2008

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

Cristina Bertone, Vincenzo Micale

In 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…