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Vertex cover algebras of unimodular hypergraphs

  • Herzog J
  • Hibi T
  • Trung N
Proceedings of the American Mathematical Society (2008) 137(02) 409-414
DOI: 10.1090/s0002-9939-08-09308-8
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Abstract

It is proved that all vertex cover algebras of a hypergraph are standard graded if and only if the hypergraph is unimodular. This has interesting consequences on the symbolic powers of monomial ideals. © 2008 American Mathematical Society.

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Herzog, J., Hibi, T., & Trung, N. V. (2008). Vertex cover algebras of unimodular hypergraphs. Proceedings of the American Mathematical Society, 137(02), 409–414. https://doi.org/10.1090/s0002-9939-08-09308-8

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