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The Bing-Borsuk and the Busemann conjectures

Denise M. Halverson ; Department of Mathematics, Brigham Young University,Provo, U.S.A.
Dušan Repovš ; Faculty of Mathematics and Physics, and Faculty of Education, University of Ljubljana, Ljubljana, Slovenia

Puni tekst: engleski pdf 221 Kb

str. 163-184

preuzimanja: 1.096



We present two classical conjectures concerning the characterization
of manifolds: the Bing Borsuk conjecture asserts that every
n-dimensional homogeneous ANR is a topological n-manifold,
whereas the Busemann conjecture asserts that every n-dimensional
G-space is a topological n-manifold. The key object in both
cases are so-called i.e. ENR homology manifolds. We look at the history from the early beginnings to the present day. We also list several open problems and related conjectures.

Ključne riječi

Bing-Borsuk conjecture, homogeneity, ANR, Busemann G-space, Busemann conjecture, Moore conjecture, de Groot conjecture, generalized manifold, cell-like resolution, general position property, delta embedding property, disjoint disks property, recognition

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Posjeta: 2.071 *