Torsion et type simple d’homotopie

André Haefliger and Raghavan Narasimhan
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André Haefliger: Université de Genève, Institut de Mathématique

A chapter in Essays on Topology and Related Topics, 1970, pp 12-17 from Springer

Abstract: Résumé Soit X une variété orientée close de dimension n. Le cup produit, évalué sur la classe fondamentale fournit pour tout k une application bilinéaire non dégénérée D de H k (X ;Z) × H n-k (X;Z) dans Z qui vérifie la relation D(x, y) = (-1 ) k(n-k) D(x, y).

Date: 1970
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DOI: 10.1007/978-3-642-49197-9_2

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