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Seminar

Online Seminar: Grothendieck--Witt theory April 27, 2020 (10:00 AM PDT - 11:30 AM PDT)
Parent Program:
Location: MSRI: Online/Virtual
Speaker(s) Thomas Nikolaus (Westfälische Wilhelms-Universität Münster)
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Video

Grothendieck--Witt Theory

Abstract/Media

Zoom link.

https://msri.zoom.us/s/585445592

 

I will talk about joint work with Calmès--Dotto--Harpaz--Hebestreit--Land--Moi--Nardin--Steimle on the Grothendieck-Witt (aka hermitian K-theory) spectrum of a stable infinity category and  algebraic surgery. I will explain how this can be used to solve the longstanding open problem of computing the Grothendieck-Witt groups of the integers.

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Grothendieck--Witt Theory

H.264 Video 25001_28356_8298_Grothendieck_-_Witt_Theory.mp4