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„The Picard-Lefschetz formula for normal crossings“
Prof. Dr. Moritz Kerz, Universität Regensburg
In the study of semi-stable degeneration of Lefschetz pencils one is led to a generalization of the classical Picard-Lefschetz formula for certain perverse sheaves on normal crossing spaces. In the talk I will recall the formalism of nearby cycle and vanishing cycle functors and I will explain how Hodge theory allows one to obtain the normal crossing Picard-Lefschetz formula. Joint work with A. Beilinson and H. Esnault.
Freitag, den 13. Januar 2023 um 13:30 Uhr, in INF 205, SR A Freitag, den 13. Januar 2023 at 13:30, in INF 205, SR A
Der Vortrag folgt der Einladung von The lecture takes place at invitation by Dr. Christian Dahlhausen