Abstract
A non-compact polyhedron P is Tucker if, for any compact subset K ⊂ P, the fundamental group π 1(P − K) is finitely generated. The main result of this note is that a manifold which is proper homotopy equivalent to a Tucker polyhedron is Tucker. We use Poenaru’s theory of the equivalence relations forced by the singularities of a non-degenerate simplicial map.
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The author is partially supported by GNSAGA of INDAM, by MIUR of Italy (Progetto Giovani Ricercatori) and by Università di Palermo
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Otera, D.E. On the Proper Homotopy Invariance of the Tucker Property. Acta Math Sinica 23, 571–576 (2007). https://doi.org/10.1007/s10114-005-0900-2
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DOI: https://doi.org/10.1007/s10114-005-0900-2