We characterise the class of one-cogenerated Pfaffian ideals whose natural generators form a Groebner basis with respect to any anti-diagonal term-order. We describe their initial ideals as well as the associated simplicial complexes, which turn out to be shellable and thus Cohen-Macaulay. We also provide a formula for computing their multiplicity.

Groebner bases of ideals cogenerated by Pfaffians

DE NEGRI, EMANUELA;
2011-01-01

Abstract

We characterise the class of one-cogenerated Pfaffian ideals whose natural generators form a Groebner basis with respect to any anti-diagonal term-order. We describe their initial ideals as well as the associated simplicial complexes, which turn out to be shellable and thus Cohen-Macaulay. We also provide a formula for computing their multiplicity.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11567/255685
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