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Spaces A × B of Conilpotency ≤ 1

Published online by Cambridge University Press:  20 November 2018

C.S. Hoo*
Affiliation:
University of Alberta, EdmontonAlberta
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Let A and B be spaces having the homotopy type of countable CW-complexes. Then we prove the following theorems.

Theorem 1. If conil(A × B) ≤ 1, then for each integer n ≥ 1, the inclusion j: ∑n A ∨ ∑n B → ∑nA × ∑n B is a homotopy equivalence.

This result is obtained as a corollary of Theorem 2.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1969

References

1. Arkowitz, M., The generalized Whitehead product. Pac. J. Math 12 (1962) 723.Google Scholar
2. Arkowitz, M., Homotopy products for H-spaces. Mich. Math. J. 10 (1963) 19.Google Scholar
3. Berstein, I. and Ganea, T., Homotopical nilpotency. III. J. Math, 5 (1961) 99130.Google Scholar
4. Ganea, T., On some numerical homotopy invariants. Proc, International Congress of Mathematicians (1962) 467472.Google Scholar
5. Ganea, T. and Hilton, P. J., On the decomposition of spaces in cartesian products and unions. Proc. Camb. Phil. Soc. 55 (1959) 248256.Google Scholar
6. Ganea, T., Hilton, P. J. and Peterson, F. P., On the homotopy-commutativity of loop-spaces and suspensions. Topology 1 (1962) 133141.Google Scholar
7. Hoo, C.S., A note on a theorem of Ganea, Hilton and Peterson. Proc. Amer. Math. Soc. 19 (1968) 909911.Google Scholar
8. Hoo, C.S., On the suspension of an H-space. (To appear in Duke Math. J.).Google Scholar