Non-Commutative Crepant Resolutions for Some Toric Singularities I
Non-Commutative Crepant Resolutions for Some Toric Singularities I
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某些环面奇点 I 的非交换 Crepant 分辨率
DOI:
10.1093/imrn/rnaa006
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发表时间:
2020
影响因子:
1
通讯作者:
Špenko Š
中科院分区:
文献类型:
--
作者:
Špenko Š
We give a criterion for the existence of noncommutative crepant resolutions (NCCRs) for certain toric singularities. In particular, we recover Broomhead’s result that a three-dimensional toric Gorenstein singularity has an NCCR. Our result also yields the existence of an NCCR for a four-dimensional toric Gorenstein singularity, which is known to have no toric NCCR.
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DOI:
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