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Cohomology in algebra, geometry, physics and statistics

usually takes place every Wednesday at 11:30 AM Institute of Mathematics of ASCR, Žitná 25, Praha 1, konírna
Chair: Anton Galaev, Roman Golovko, Igor Khavkine, Alexei Kotov, Hong Van Le and Petr Somberg

In this seminar we shall discuss topics concerning constructions and applications of cohomology theory in algebra, geometry, physics and statistics. In particular we shall discuss in first four seminars the relations between vertex algebras and foliations on manifolds, Gelfand-Fuks cohomology on singular spaces, cohomology of homotopy Lie algebras. The expositions should be accessible for all participants.

TBA

Marco Benini
INFN Genoa and Genoa University
Wednesday, 14. April 2021 - 11:30 to 12:30
ZOOM meeting
TBA

TBA

Tobias Fritz
University of Innsbruck, Austria
Wednesday, 7. April 2021 - 11:30 to 12:30
ZOOM meeting
TBA

Around the noncommutative cross ratio

Georgy Sharygin
Moscow State University Lomonosov
Wednesday, 31. March 2021 - 11:30 to 12:30
ZOOM meeting
The cross-ratio of four points on a projective line is one of the most important projective invariants, which finds most unexpected applications throughout Mathematics from Geometry and Topology to the Integrable systems theory. I will tell, how one can widen the domain on which this invariant is defined so as to allow one consider "projective lines" over noncommutative field. It turns out that there is an approach, which allows one find such... more

TBA

Alexander Zuevsky
Institute of Mathematics, Czech Academy of Sciences
Wednesday, 24. March 2021 - 11:30 to 12:30
in IM building, ground floor
TBA

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