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Homotopy Equivalence of a Cofibre Fibre Composite

Published online by Cambridge University Press:  20 November 2018

Philip R. Heath*
Affiliation:
Memorial University of Newfoundland, St. John's, Newfoundland
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Consider the following commutative diagram in Top, the category of topological spaces

in which j and j' are cofibrations, p and p' are (Hurewicz) fibrations and ƒ0, ƒi and ƒ2 are homotopy equivalences.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1977

References

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