On two examples by Iyama and Yoshino

On two examples by Iyama and Yoshino
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DOI:
10.1112/s0010437x10004902
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发表时间:
2008-03
影响因子:
1.8
通讯作者:
B. Keller;Daniel Murfet;M. Bergh
B. Keller;Daniel Murfet;M. Bergh
中科院分区:
数学1区
文献类型:
--
作者:
B. Keller;Daniel Murfet;M. Bergh

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在最近的一篇论文中,Iyama和Yoshino考虑了两个有趣的孤立奇点的例子,在这些奇点上,可以用线性代数数据对不可分解的极大Cohen-Macaulay模进行分类。在本文中,我们提出了两种新的方法,这些例子。在第一种方法中,我们给出了一个与集群类别的关系。在第二种方法中,我们利用了奥尔洛夫关于分次奇点范畴的结果.
Abstract In a recent paper, Iyama and Yoshino considered two interesting examples of isolated singularities over which it is possible to classify the indecomposable maximal Cohen–Macaulay modules in terms of linear algebra data. In this paper, we present two new approaches to these examples. In the first approach we give a relation with cluster categories. In the second approach we use Orlov’s result on the graded singularity category.