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Groups which are not properly 3-realizableFunar, Louis ; Lasheras, Francisco F. ; Repovš, Dušan, 1954-A group is properly 3-realizable if it is the fundamental group of a compact polyhedron whose universal covering is proper homotopically equivalent to some3-manifold. We prove that when such a group ... is also quasi-simply filtered then it has pro-(finitely generated free) fundamental group at infinity and semi-stable ends. Conjecturally the quasi-simply filtration assumption is superfluous. Using these restrictions we provide the first examples of finitely presented groups which are not properly 3-realizable, for instance large families of Coxeter groups.Source: Revista matemática iberoamericana. - ISSN 0213-2230 (Vol. 28, no. 2, 2012, str. 401-414)Type of material - article, component partPublish date - 2012Language - englishCOBISS.SI-ID - 16297817
Author
Funar, Louis |
Lasheras, Francisco F. |
Repovš, Dušan, 1954-
Topics
matematika |
topologija |
geometrijska enostavna povezanost |
prava 3-realizabilnost |
kvazienostavna filtrirana grupa |
Coxeterjava grupa |
mathematics |
topology |
geometric simple connectivity |
proper 3-realizability |
quasi-simple filtered group |
Coxeter group
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Funar, Louis | |
Lasheras, Francisco F. | |
Repovš, Dušan, 1954- | 07083 |
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