APPROXIMATE FIBRATIONS IN TOPOLOGICAL CATEGORY AND PL CATEGORY

Let G denote an upper semicontinuous(usc) decomposition of an (n + k)-manifold M into closed, connected n-manifolds. What can be said about the decomposition space B = M/G\ulcorner What regularity properties are possessed by the decomposition map $p : M \to B \ulcorner$ Certain forms of these questi...

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Bibliographic Details
Published inJournal of the Korean Mathematical Society Vol. 33; no. 3; pp. 641 - 650
Main Authors Young, Won-Huh, Im, Ho, Woo, Ki-Mun
Format Journal Article
LanguageKorean
Published 1996
Subjects
Codimension k fibrator
Approximate flbration
Hopfian group
Hopfian manifold
Hyperhopfian group
Aspherical manifold
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Summary:Let G denote an upper semicontinuous(usc) decomposition of an (n + k)-manifold M into closed, connected n-manifolds. What can be said about the decomposition space B = M/G\ulcorner What regularity properties are possessed by the decomposition map $p : M \to B \ulcorner$ Certain forms of these questions have been addressed by D. Coram and pp. Duvall [C-D].
Bibliography:KISTI1.1003/JNL.JAKO199611919484923
ISSN:0304-9914