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2020 Witt and cohomological invariants of Witt classes
Nicolas Garrel
Ann. K-Theory 5(2): 213-248 (2020). DOI: 10.2140/akt.2020.5.213

Abstract

We describe all Witt invariants and mod 2 cohomological invariants of the functor In as combinations of fundamental invariants; this is related to the study of operations on mod 2 Milnor K-theory. We also study behaviour of these invariants with respect to products, restrictions, similitudes and ramification.

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Nicolas Garrel. "Witt and cohomological invariants of Witt classes." Ann. K-Theory 5 (2) 213 - 248, 2020. https://doi.org/10.2140/akt.2020.5.213

Information

Received: 24 May 2018; Revised: 22 November 2019; Accepted: 18 December 2019; Published: 2020
First available in Project Euclid: 11 August 2020

zbMATH: 07224513
MathSciNet: MR4113769
Digital Object Identifier: 10.2140/akt.2020.5.213

Subjects:
Primary: 11E81
Secondary: 12G05, 19D45

Rights: Copyright © 2020 Mathematical Sciences Publishers

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Vol.5 • No. 2 • 2020
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