GT Seminar with Jack Smith (St John's College Cambridge)

  • Date: 23 March 2023, 13:15–14:15
  • Location: Ångström Laboratory, room Å64119 and on zoom https://uu-se.zoom.us/j/68210068219
  • Type: Seminar
  • Lecturer: Jack Smith (St John's College Cambridge)
  • Organiser: Matematiska institutionen
  • Contact person: Noémie Legout

Welcome to this seminar held by Jack Smith with title "Hochschild cohomology of the Fukaya category via Floer cohomology with coefficients".

Abstract: The Hochschild cohomology of the Fukaya category is an important
symplectic invariant, and plays a central role in the generation
criterion of Abouzaid and Sheridan.  Unfortunately, it is usually very
difficult to calculate directly.  I will describe new results relating
it to a more geometric and computable object, namely Floer cohomology of
a Lagrangian with enriched coefficients, and discuss some applications.
Perhaps surprisingly, matrix factorisations make an important appearance.

See upcoming seminars in our seminar series on Geometry and Topology (GT).

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