Nonunimodality of graded Gorenstein Artin algebras

Boij, Mats; Laksov, Dan

doi:10.1090/S0002-9939-1994-1227512-2

Nonunimodality of graded Gorenstein Artin algebras
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by Mats Boij and Dan Laksov PDF

Proc. Amer. Math. Soc. 120 (1994), 1083-1092 Request permission

Abstract:

We give an explicit expression for the Hilbert function of a large class of graded Gorenstein Artin algebras and give a criterion for this function to be unimodal. As a result we obtain an abundance of graded Gorenstein Artin algebras with nonunimodal Hilbert function.

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