Geodesic
A Homotopical Conner-Raymond Theorem and a Question of Gottlieb
Canadian mathematical bulletin, Tome 33 (1990) no. 2, pp. 219-229

Voir la notice de l'article provenant de la source Cambridge University Press

A homotopy theoretic version is given of the following result of Conner and Raymond: If the circle acts on a space so that the orbit map induces an injection in homology, then the space fibres over the circle with finite structure group. This homotopical analogue is related to recent results pertaining to the effect of the fundamental group's structure on the Euler characteristic. It is also used in the construction of a compact, simple 7-manifold with trivial Gottlieb group which, together with an infinite dimensional example of Ganea, answers a question of Gottlieb.
DOI : 10.4153/CMB-1990-035-6
Mots-clés : 55P99, 57S99 
Oprea, John. A Homotopical Conner-Raymond Theorem and a Question of Gottlieb. Canadian mathematical bulletin, Tome 33 (1990) no. 2, pp. 219-229. doi: 10.4153/CMB-1990-035-6
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