GENERIC VANISHING THEORY VIA MIXED HODGE MODULES

GENERIC VANISHING THEORY VIA MIXED HODGE MODULES
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通过混合 Hodge 模块的通用消失理论

DOI:
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发表时间:
2011
期刊:
Forum of Mathematics, Sigma
影响因子:
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通讯作者:
C. Schnell
C. Schnell
中科院分区:
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文献类型:
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作者:
M. Popa;C. Schnell

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摘要我们将一般消失论的大部分结果推广到全纯形式丛和秩1局域系统,更一般地推广到与非规则簇有关的某些Hodge理论起源的相干层。我们的主要工具是Saito的混合Hodge模,Laumon和Rothstein在交换变种上的$mathscr{D}$-模的傅立叶-Mukai变换,以及Simpson关于平坦丛的调和理论。在这个过程中,我们还发现了两种自然类型的反常相干波束。
Abstract We extend most of the results of generic vanishing theory to bundles of holomorphic forms and rank-one local systems, and more generally to certain coherent sheaves of Hodge-theoretic origin associated with irregular varieties. Our main tools are Saito’s mixed Hodge modules, the Fourier–Mukai transform for $mathscr{D}$ -modules on abelian varieties introduced by Laumon and Rothstein, and Simpson’s harmonic theory for flat bundles. In the process, we also discover two natural categories of perverse coherent sheaves.