Obstruction à la transversalité de lagrangiens |
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| Authors: | Max Karoubi Maria Luiza Lapa de Souza |
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| Institution: | 1. Département de mathématiques, UMR 7586 du CNRS, case 7012, université Paris 7, 2, place Jussieu, 75251 Paris cedex 05, France;2. Instituto de Matemática, Universidade Federal da Bahia, Campus de Ondina, 40170.100, Ondina, SSA/Bahia, Brasil |
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| Abstract: | In this Note, we give a necessary and sufficient condition for Lagrangians in a symplectic vector bundle to be deformed stably into transversal Lagrangians. In the case of three Lagrangians, we show that the associated Grothendieck group can be identified with a Hermitian K-theory group. To cite this article: M. Karoubi, M.L. Lapa de Souza, C. R. Acad. Sci. Paris, Ser. I 342 (2006). |
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