Free resolutions of orbit closures of Dynkin quivers
Free resolutions of orbit closures of Dynkin quivers
复制标题
Dynkin 箭袋轨道闭合的自由分辨率
DOI:
10.1090/tran/7697
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发表时间:
2019
影响因子:
1.3
通讯作者:
Weyman, Jerzy
中科院分区:
文献类型:
--
作者:
Lorincz, Andras;Weyman, Jerzy
We use the Kempf-Lascoux-Weyman geometric technique in order to determine the minimal free resolutions of some orbit closures of quivers. As a consequence, we obtain that for Dynkin quivers orbit closures of 1-step representations are normal with rational singularities. For Dynkin quivers of type, we describe explicit minimal generators of the defining ideals of orbit closures of 1-step representations. Using this, we provide an algorithm for typequivers for describing an efficient set of generators of the defining ideal of the orbit closure of any representation. References
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