Félix, Yves
[UCL]
Tanre, Daniel
We investigate the existence of an H-space structure on the function space, F-*(X,Y,*), of based maps in the component of the trivial map between two pointed connected CW-complexes X and Y. For that, we introduce the notion of H (n)-space and prove that we have an H-space structure on F-*(X,Y,*) if Y is an H(n)-space and X is of Lusternik-Schnirelmann category less than or equal to n. When we consider the rational homotopy type of nilpotent finite type CW-complexes, the existence of an H(n)-space structure can be easily detected on the minimal model and coincides with the differential length considered by Y. Kotani. When X is finite, using the Haefliger model for function spaces, we can prove that the rational cohomology of F-*(X,Y,*) is free commutative if the rational cup length of X is strictly less than the differential length of Y, generalizing a recent result of Y. Kotani.
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Bibliographic reference |
Félix, Yves ; Tanre, Daniel. H-space structure on pointed mapping spaces. In: Algebraic And Geometric Topology, Vol. 5, p. 713-724 (2005) |
Permanent URL |
http://hdl.handle.net/2078.1/38200 |