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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > A construction of Witt complexes via residual complexes.

## A construction of Witt complexes via residual complexes.Add to your list(s) Download to your calendar using vCal - James Plowman (University of Warwick)
- Monday 02 March 2020, 15:00-16:00
- Seminar Room 2, Newton Institute.
If you have a question about this talk, please contact INI IT. KAH - K-theory, algebraic cycles and motivic homotopy theory The Witt complex of a scheme can be thought of as the negative degree part of Gersten complexes for Milnor-Witt K-theory. Depending on the data of a residual complex, we will describe generalisations of the classical second residue homormophism for Witt groups – which are the prototype for the boundary maps appearing in the Witt complex. We'll sketch why our residue homomorphisms assemble to form a Witt complex – even in characteristic 2 – with a focus on understanding the similarities between our construction and Balmer's This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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