Bases of total Witt groups and lax-similitude

Abstract : We explain how to work with total Witt groups, more specifically, how to circumvent the classical embarrassment of making choices for line bundles up to isomorphisms and up to squares.
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https://hal-univ-artois.archives-ouvertes.fr/hal-00604020
Contributor : Baptiste Calmès <>
Submitted on : Monday, June 27, 2011 - 7:39:50 PM
Last modification on : Wednesday, August 7, 2019 - 12:14:40 PM

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  • HAL Id : hal-00604020, version 1
  • ARXIV : 1104.5051

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Paul Balmer, Baptiste Calmès. Bases of total Witt groups and lax-similitude. 2011. ⟨hal-00604020⟩

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