Integral closures of monomial ideals and Fulkersonian hypergraphs

2006/09/19 by Trung, Ngo Viet
#05C65 #13B22 #Combinatorics (math.CO) #Commutative Algebra (math.AC) #FOS: Mathematics

paper · doi:10.48550/arxiv.math/0609525

Abstract

We prove that the integral closures of the powers of a squarefree monomial ideal I equal the symbolic powers if and only if I is the edge ideal of a Fulkersonian hypergraph.

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