Ruprecht-Karls-Universität Heidelberg
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„Quantum D-modules and mixed twistor D-modules“
Prof. Takuro Mochizuki, RIMS, Kyoto, Japan

Mixed twistor D-modules are D-modules with mixed twistor structure. The notion of twistor structure is a generalization of that of Hodge structure, introduced by C. Simpson. As in the Hodge case, various operations for D-modules are enhanced to those for mixed twistor D-modules. It implies that some important mathematical objects are naturally equipped with mixed twistor structure. For example, the D-modules associated to families of Laurent polynomials, called the GKZ hypergeometric systems, are naturally equipped with mixed twistor structure. It looks natural to pursuit their roles in the Hodge theoretic aspect of mirror symmetry. In this talk, I am planning to discuss the degeneration of twistor structure associated to the degeneration of Landau-Ginzburg models, and to explain how the isomorphism of Givental induces an isomorphism of mixed TEP-structures in the local mirror symmetry for Fano toric manifolds.

Donnerstag, den 30. April 2015 um 17 Uhr c.t. Uhr, in INF 288, HS2 Donnerstag, den 30. April 2015 at 17 Uhr c.t. , in INF 288, HS2

Der Vortrag folgt der Einladung von The lecture takes place at invitation by Dr. T. Reichelt