A proof of the homotopy push-out and pull-back lemma
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- by Michihiro Sakai PDF
- Proc. Amer. Math. Soc. 129 (2001), 2461-2466 Request permission
Abstract:
The homotopy push-out and pull-back lemma of Iwase (1998) is a generalized version of Theorem 1.1 of Ganea (1965) and the Theorem of Rutter (1971) whose proofs were given under the simply-connectivity condition. The purpose of this paper is to give a proof in the general case.References
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Additional Information
- Michihiro Sakai
- Affiliation: Graduate school of Mathematics, Kyushu University, Fukuoka, Japan, 812-8581
- Email: msakai@math.kyushu-u.ac.jp
- Received by editor(s): December 1, 1999
- Published electronically: January 17, 2001
- Communicated by: Ralph Cohen
- © Copyright 2001 American Mathematical Society
- Journal: Proc. Amer. Math. Soc. 129 (2001), 2461-2466
- MSC (2000): Primary 55R70
- DOI: https://doi.org/10.1090/S0002-9939-01-05856-7
- MathSciNet review: 1823932