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arXiv:0803.1344 [math.DG]AbstractReferencesReviewsResources

Wild Harmonic Bundles and Wild Pure Twistor D-modules

Takuro Mochizuki

Published 2008-03-10, updated 2010-07-04Version 4

We study (i) asymptotic behaviour of wild harmonic bundles, (ii) the relation between semisimple meromorphic flat connections and wild harmonic bundles, (iii) the relation between wild harmonic bundles and polarized wild pure twistor $D$-modules. As an application, we show the hard Lefschetz theorem for algebraic semisimple holonomic $D$-modules, conjectured by M. Kashiwara.

Comments: v2: Many additional explanations and reviews are included. v3: Format is changed. Some statements are slightly refined. v4: Part I is reorganized. Some statements are refined
Categories: math.DG, math.AG
Subjects: 14J60, 32C38, 53C07
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