Integral closures of monomial ideals and Fulkersonian hypergraphs
classification
🧮 math.AC
math.CO
keywords
closuresfulkersonianidealintegralmonomialpowersedgeequal
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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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