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arXiv 1105.3564math.ACmath.CO
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单割理想

Monomial cut ideals

Anda Olteanu

摘要:

B. Sturmfels和S. Sullivant关联到任何图的环面理想,称为切割理想。我们考虑单项式割理想,我们表明,他们的代数性质,如最小的准素分解,有一个线性分辨率或被科恩-麦考利的性质可能会来自图的组合结构。

英文摘要:

B. Sturmfels and S. Sullivant associated to any graph a toric ideal, called the cut ideal. We consider monomial cut ideals and we show that their algebraic properties such as the minimal primary decomposition, the property of having a linear resolution or being Cohen--Macaulay may be derived from the combinatorial structure of the graph.

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