Hyperspaces of CW-complexes
Tom 143 / 1993
Fundamenta Mathematicae 143 (1993), 23-40
DOI: 10.4064/fm-143-1-23-40
Streszczenie
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.
