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Topology and its Applications
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Topology and its Applications
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Homogeneous ENR's

Authors: J. L. Bryant;

Homogeneous ENR's

Abstract

The following result is proved: Theorem. Let X be a homogeneous, n- dimensional ENR and suppose that the local homology groups \(H_*(X,X- \{x\};{\mathbb{Z}})\) (x\(\in X)\) are finitely generated. Then X is a homology n-manifold. (Reviewer's remarks: The author apparently wasn't aware of a more general result proved by \textit{G. E. Bredon} earlier [Topology of manifolds, Proc. Univ. Georgia 1969, 461-469 (1971; Zbl 0311.57008)] to the effect that, for a countable PID R, every locally compact metrizable space X that is homologically locally connected with respect to R and has finite cohomological dimension with respect to R, is a homology manifold over R provided that for each pair of points x,y\(\in X\) and each integer k, the modules \(H_ k(X,X-\{x\};R)\) and \(H_ k(X,X-\{y\};R)\) are isomorphic and finitely generated. Nevertheless, Bryant's proof is interesting because it employs methods completely different from those of Bredon.)

Keywords

homogeneous, homology n-manifold, Local properties of generalized manifolds, Geometry and Topology, n-dimensional ENR, Generalized manifolds, Bing-Borsuk conjecture, local homology groups

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
9
Average
Top 10%
Average
hybrid