Gaps in the Support of Canonical Currents on Projective K3 Surfaces
Gaps in the Support of Canonical Currents on Projective K3 Surfaces
复制标题
投影 K3 表面上规范电流的支持差距
DOI:
10.1007/s12220-023-01526-0
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发表时间:
2024
期刊:
影响因子:
--
通讯作者:
Tosatti, Valentino
中科院分区:
文献类型:
--
作者:
Filip, Simion;Tosatti, Valentino
We construct examples of canonical closed positive currents on projective K3 surfaces that are not fully supported on the complex points. The currents are the unique positive representatives in their cohomology classes and have vanishing self-intersection. The only previously known such examples were due to McMullen on nonprojective K3 surfaces and were constructed using positive entropy automorphisms with a Siegel disk. Our construction is based on a Zassenhaus-type estimate for commutators of automorphisms.
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DOI:
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