Geodesic
Hyperspaces of CW-complexes
Bao-Lin Guo1 ; Katsuro Sakai 1
1 Institute of Mathematics University of Tsukuba Tsukuba-City 305, Japan
Fundamenta Mathematicae, Tome 143 (1993) no. 1, pp. 23-40.

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

It is shown that the hyperspace of a connected CW-complex is an absolute retract for stratifiable spaces, where the hyperspace is the space of non-empty compact (connected) sets with the Vietoris topology.
DOI : 10.4064/fm-143-1-23-40
Keywords: CW-complex, hyperspace, the Vietoris topology, stratifiable space, AR(S), ANR(S)

Bao-Lin Guo 1 ; Katsuro Sakai  1

1 Institute of Mathematics University of Tsukuba Tsukuba-City 305, Japan 
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Bao-Lin Guo; Katsuro Sakai . Hyperspaces of CW-complexes. Fundamenta Mathematicae, Tome 143 (1993) no. 1, pp. 23-40. doi : 10.4064/fm-143-1-23-40. http://geodesic.mathdoc.fr/articles/10.4064/fm-143-1-23-40/

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