CAPULIN PEREZ, FELIX; OROZCO ZITLI, FERNANDO; JUAREZ VILLA, LEONARDO
(GLANIK MATEMATICKI, 2018-11-01)
In this paper we discuss the notions of pseudo-contractibility
and weak contractibility on hyperspaces of (Hausdorff) continua. Also
we prove that if a continuum X contains an R
i
-set then it is not pseudocontractible.
As ...