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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


Fundamental dimension and suspension of approximate fibrations

Authors: P. F. Duvall and L. S. Husch
Journal: Proc. Amer. Math. Soc. 79 (1980), 122-126
MSC: Primary 55P55; Secondary 54C56
MathSciNet review: 560597
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Abstract: Given an approximate fibration $ f:X \to Y$ between ANR's a new approximate fibration Sf is constructed with the property that the fibers of Sf are the suspensions of the fibers of f. This construction is used together with an approximation theorem of T. Chapman to give conditions under which $ {\text{Fd}}\;X = {\text{Fd}}\;Y + {\text{Fd}}\;{f^{ - 1}}(x)$.

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PII: S 0002-9939(1980)0560597-5
Keywords: Approximate fibration, fundamental dimension, cohomology dimension
Article copyright: © Copyright 1980 American Mathematical Society