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arXiv 2004-06-30 0 views

Invariance homotopique de certains espaces de configurations

Jourdan, Jean-Philippe

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For a smooth manifold A, we consider the ordered configuration space Fₖ(AxR) of k distinct points in AxR. We obtain an explicit homotopy construction of the configuration space Fₖ(AxR) and of the (k-2)-fold suspension of Fₖ(A). Under certain conditions, we then show that the homotopy types of these two spaces depend only on the homotopy type of A. ----- Pour une variete lisse A, on considere Fₖ(AxR) l'espace des configurations ordonnees de k particules distinctes dans AxR. On effectue une construction explicite de l'espace de configurations Fₖ(AxR) et de la suspension (k-2)-ieme de Fₖ(A). Puis l'on montre que, sous certaines conditions, le type d'homotopie de ces deux espaces ne depend que de celui de A.

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