Optimal destabilizing centers and equivariant K-stability

Optimal destabilizing centers and equivariant K-stability
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DOI:
10.1007/s00222-021-01046-0
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发表时间:
2020-04
影响因子:
3.1
通讯作者:
Ziquan Zhuang
Ziquan Zhuang
中科院分区:
数学1区
文献类型:
--
作者:
Ziquan Zhuang

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给出了等变K-半稳定性等价性的代数证明。等变K-多稳定性)与几何K-半稳定性(分别几何K-多稳定性)。沿着这条路,我们还证明了K-不稳定log Fano对上最小最优去稳定中心的存在性和唯一性。
We give an algebraic proof of the equivalence of equivariant K-semistability (resp. equivariant K-polystability) with geometric K-semistability (resp. geometric K-polystability). Along the way we also prove the existence and uniqueness of minimal optimal destabilizing centers on K-unstable log Fano pairs.