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arxiv: math/0211276 · v1 · submitted 2002-11-18 · 🧮 math.AC

Cohen-Macaulay classes which are not conic

classification 🧮 math.AC
keywords classescohen-macaulayconicaffineexampleslargerringsemigroup
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We provide two examples which show that for an affine semigroup ring the set of Cohen-Macaulay classes can be larger than the set of conic classes.

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