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Witt groups of Grassmann varieties

Abstract : We compute the total Witt groups of (split) Grassmann varieties, over any regular base X. The answer is a free module over the total Witt ring of X. We provide an explicit basis for this free module, which is indexed by a special class of Young diagrams, that we call even Young diagrams.
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Preprints, Working Papers, ...
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https://hal-univ-artois.archives-ouvertes.fr/hal-00424548
Contributor : Baptiste Calmès Connect in order to contact the contributor
Submitted on : Friday, October 16, 2009 - 12:11:05 PM
Last modification on : Friday, January 21, 2022 - 3:30:41 AM

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  • HAL Id : hal-00424548, version 1
  • ARXIV : 0807.3296

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Paul Balmer, Baptiste Calmès. Witt groups of Grassmann varieties. 2008. ⟨hal-00424548⟩

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