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Evaluation Maps In Rational Homotopy, Yves Felix, Gregory Lupton
Evaluation Maps In Rational Homotopy, Yves Felix, Gregory Lupton
Mathematics and Statistics Faculty Publications
In the rational category of nilpotent complexes, let E be an H-space acting on a space X. With mild hypotheses we show that the action on the base point w: E→X factors through a map ΓE:SE→X, where S E is a finite product of odd-dimensional spheres and Γ E is a homotopy monomorphism. Among others, the following consequences are obtained:π∗(w)6=0 if and only if w is essential and H∗(w)6=0 if and only if X satisfies a strong splitting condition.