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GGT Seminar: Sutured TQFT's and Heegaard Floer homology

Event Type
Seminar/Symposium
Sponsor
Department of Mathematics
Location
Altgeld 143
Date
Feb 15, 2024   11:00 am  
Speaker
Jacob Rasmussen
Views
28
Originating Calendar
Groups, Geometry, and Topology Calendar

Juhasz, Zemke and Thurston established that the hat version of Heegaard Floer homology fits into the framework of a TQFT. The notion of a sutured manifold plays an important role in establishing functoriality. In this talk I'll outline a framework for understanding HF^hat as an extended TQFT in dimensions 2-3-4, with the 2-3 part given by the bordered Floer homology of Lipshitz-Ozsvath-Thurston and Zarev. Again, sutures play an essential role.

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