Degenerations over (A∞)-singularities and construction of degenerations over commutative rings
Degenerations over (A∞)-singularities and construction of degenerations over commutative rings
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(A∞)-奇点上的简并以及交换环上的简并构造
DOI:
10.1016/j.jalgebra.2018.12.031
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发表时间:
2019
影响因子:
0.9
通讯作者:
Yoshino Yuji
中科院分区:
文献类型:
--
作者:
Hiramatsu Naoya;Takahashi Ryo;Yoshino Yuji
We give a necessary condition of degeneration via matrix representations, and consider degenerations of indecomposable Cohen–Macaulay modules over hypersurface singularities of type (A∞). We also provide a method to construct degenerations of finitely generated modules over commutative rings.