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Lambda structure en K-théorie des fibrés algébriques hermitiens

Abstract:

Etant donné un schéma X de type fini sur Z et de fibre générique lisse, on étudie le groupe de Grothendieck des fibrés algébriques sur X, munis d’une métrique hermitienne sur le fibré holomorphe associé sur les points complexes de X. On montre que les puissances extérieures et le produit tensoriel confèrent à ce groupe une structure de λ-anneau spécial. Lambda structure in the K-theory of hermitian algebraic fibre bundles.

Given a scheme of finite type over Z with smooth generic fiber, we study the Grothendieck group of algebraic vector bundles on X endowed with a hermitian metric on the associated holomorphic bundle on the complex points of X. We prove that the exterior powers and the tensor product give to this group the structure of a special λ-ring.

Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Oxford college:
Pembroke College
Role:
Author


Publisher:
Académie des sciences
Journal:
Comptes Rendus de l’Académie des Sciences. Série I. Mathématique More from this journal
Volume:
322
Issue:
3
Pages:
251-254
Publication date:
1996-02-01
ISSN:
0764-4442


Language:
French
Pubs id:
pubs:745055
UUID:
uuid:b13c3eee-e5bd-4336-a16e-b7c49c80a91f
Local pid:
pubs:745055
Source identifiers:
745055
Deposit date:
2018-05-05

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