Affine semigroup rings that are complete intersections

Fischer, Klaus; Morris, Walter; Shapiro, Jay

doi:10.1090/S0002-9939-97-03920-8

Affine semigroup rings that are complete intersections
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by Klaus G. Fischer, Walter Morris and Jay Shapiro PDF

Proc. Amer. Math. Soc. 125 (1997), 3137-3145 Request permission

Abstract:

This paper presents a result concerning the structure of affine semigroup rings that are complete intersections. It generalizes to arbitrary dimensions earlier results for semigroups of dimension less than four. The proof depends on a decomposition theorem for mixed dominating matrices.

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