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Cohomology in algebra, geometry, physicsand statistics

Four-manifolds and knots

Speaker’s name: 
Andras Stipsicz
Speaker’s affiliation: 
Alfréd Rényi Institute of Mathematics, Hungarian Academy of Sciences


ZOOM meeting
Wednesday, 23. March 2022 - 13:30 to 14:30
Slice knots (which bound a disk in the four-space) play important role both
in knot theory and in smooth four-dimensional topology. I will explain some of these
common points, recall a simple way to construct slice knots and focus on obstructions
of sliceness provided by knot Floer homology.
We open ZOOM at 13.15 for virtual coffee  and close  ZOOM  at 15.00
Join Zoom Meeting
Meeting ID: 995 9841 3922
Passcode: Galois