Defining the boundary of a homology manifold

Mitchell, W. J. R.

doi:10.1090/S0002-9939-1990-1019276-9

Defining the boundary of a homology manifold
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by W. J. R. Mitchell PDF

Proc. Amer. Math. Soc. 110 (1990), 509-513 Request permission

Abstract:

We show that the natural homological analogue of the definition of topological manifold with boundary does indeed properly capture the properties required of a homology manifold with boundary. Accordingly existing definitions requiring that the boundary is already a (homology) manifold can be simplified.

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