An extension and axiomatic characterization of Borsuk's theory of shape
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W. Holsztyński (1971)
Fundamenta Mathematicae
J. Segal (1986)
Banach Center Publications
W. Jakobsche (1988)
Fundamenta Mathematicae
P. Mrozik (1985)
Fundamenta Mathematicae
S. Singh (1981)
Fundamenta Mathematicae
Lee Rudolph (1982)
Journal für die reine und angewandte Mathematik
L.S. Husch (1978)
Mathematica Scandinavica
Peter Mrozik (1988)
Compositio Mathematica
S. Singh (1983)
Fundamenta Mathematicae
Vo-Thanh Liem (1979)
Fundamenta Mathematicae
Young Im, Yongkuk Kim (1999)
Fundamenta Mathematicae
Let p: M → B be a proper surjective map defined on an (n+2)-manifold such that each point-preimage is a copy of a hopfian n-manifold. Then we show that p is an approximate fibration over some dense open subset O of the mod 2 continuity set C’ and C’ ∖ O is locally finite. As an application, we show that a hopfian n-manifold N is a codimension-2 fibrator if χ(N) ≠ 0 or
Sławomir Nowak (1987)
Fundamenta Mathematicae
Andrzej Kadolf (1983)
Fundamenta Mathematicae
Vo-Thanh Liem (1985)
Fundamenta Mathematicae
Christian Blanchet (1998)
Banach Center Publications
L. S. Husch, I. Ivanšić (1980)
Compositio Mathematica
C. Bruce Hughes (1985)
Compositio Mathematica
Vo-Thanh Liem, Gerard Venema (1986)
Fundamenta Mathematicae
Zvonko Čerin (1984)
Colloquium Mathematicae
А.Н. Дранишников (1988)
Matematiceskij sbornik
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