Integral closures of monomial ideals and Fulkersonian hypergraphs

Details Integral closures of monomial ideals and Fulkersonian hypergraphs Integral closures of monomial ideals and Fulkersonian hypergraphs

2006-09-19

arxiv.org/abs/math/0609525v1

Mathematics

Commutative Algebra

5 pages

Scientific paper

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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