Cohen-Macaulay Classes Which Are Not Conic

Cohen-Macaulay Classes Which Are Not Conic
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非圆锥曲线的 Cohen-Macaulay 类

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发表时间:
2002
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通讯作者:
C. Baetica
C. Baetica
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作者:
C. Baetica

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本文给出了两个例子,证明了对于仿射半群环,Cohen-Macaulay类的集合可以大于锥类的集合。
Abstract 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.