Duality, a-invariants and canonical modules of rings arising from linear optimization problems

zbMath1199.13026arXiv0812.0823MaRDI QIDQ3617106

Rafael H. Villarreal, Luis A. Dupont, Joseph P. Brennan

Publication date: 26 March 2009

Full work available at URL: https://arxiv.org/abs/0812.0823

zbMATH Keywords

Gorenstein ringbipartite graphRees algebracanonical moduleclutternormal subringinteger rounding property\(a\)-invariantEhrhart ringmax-flow min-cut

Mathematics Subject Classification ID

Lattice polytopes in convex geometry (including relations with commutative algebra and algebraic geometry) (52B20) Special types (Cohen-Macaulay, Gorenstein, Buchsbaum, etc.) (13H10) Integral closure of commutative rings and ideals (13B22) Polynomial rings and ideals; rings of integer-valued polynomials (13F20)

Related Items (4)

On complete monomial ideals ⋮ Gorenstein homogeneous subrings of graphs ⋮ Implosive graphs: Square-free monomials on symbolic Rees algebras ⋮ Normality criteria for monomial ideals

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