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About the Fall 2026 Algebraic Geometry Seminar:
About the Fall 2026 Algebraic Geometry Seminar:
We meet on Wednesdays 11:10 - 12: 00 pm at BA2135. The list of speakers, the title and the abstracts of their talks are given below.
Organizers - Toni Annala, Elden Elmanto, Michael Groechenig, Daniel Litt, Sebastián Olano, Nick Rozenblyum, Vadim Vologodsky, Hunter Spink and Simon Xu
Former organizers: Arnab Kundu.
Sept 9
Sept 9
Sept 16
Sept 16
Sept 23
Sept 23
Sept 30 -- Faidon Andriopoulos (Toronto) - On the motivic filtration of TR
Sept 30 -- Faidon Andriopoulos (Toronto) - On the motivic filtration of TR
Abstract: Algebraic geometry was a strange place in the early '80s: there was a good algebraic candidate for K-theory, but not one for singular cohomology. This led to the idea of working backwards in spectral sequence-related constructions: producing "motivic filtrations" on non-commutative invariants, in order to extract cohomology theories. Recently, trace theory and modern p-adic tools enabled us to approach the problem on certain simplifications of algebraic K-theory, related to topological Hochschild homology (THH). In this talk, we plan to discuss the case of TR: a certain THH-analogue of the Witt vectors.
Oct 7
Oct 7
Oct 28
Oct 28
Nov 4
Nov 4
Nov 18
Nov 18
Nov 25 --
Nov 25 --
Dec 9
Dec 9
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