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Speaker:
G. Williamson
Affiliation:
MPI
Date:
Tue, 04/11/2014 - 16:30 - 18:00
Location:
MPIM Lecture Hall
Parent event:
Representation Theory Seminar This will be a mini-course (consisting of six or seven lectures) intended to give an informal introduction to perverse sheaves. Perverse sheaves are usually treated rather formally. I will try to give a more geometric introduction with lots of pictures, discussing in detail examples on curves and surfaces. I will also discuss nearby and vanishing cycles, characteristic cycles and some Hodge theoretic aspects. I will also discuss the decomposition theorem (with examples) as well as de Cataldo and Migliorini's Hodge theoretic proof.
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