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A proof of the nonretractibility of a cell onto its boundary


Author: Morris W. Hirsch
Journal: Proc. Amer. Math. Soc. 14 (1963), 364-365
MSC: Primary 54.78
DOI: https://doi.org/10.1090/S0002-9939-1963-0145502-8
MathSciNet review: 0145502
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References [Enhancements On Off] (What's this?)

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DOI: https://doi.org/10.1090/S0002-9939-1963-0145502-8
Article copyright: © Copyright 1963 American Mathematical Society

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