Openness of induced projections

For continua X and Y it is shown that if the projection f : X x Y --> X has its induced mapping C(f) open, then X is C-smooth. As a corollary, a characterization of dendrites in these terms is obtained.

Bibliographic Details
Authors: Charatonik, JJ, Charatonik, WJ, Illanes, A
Format: article
Status:Published version
Publication Date:2000
Country:México
Institution:Universidad Nacional Autónoma de México
Repository:Sistema de Información de la Facultad de Ciencias, UNAM
OAI Identifier:oai:repositorio.fciencias.unam.mx:11154/2041
Online Access:http://hdl.handle.net/11154/2041
Access Level:Open access
Keyword:Mathematics, Applied
Mathematics
continuum
dendrite
induced mapping
open
projection
C-smooth
Description
Summary:For continua X and Y it is shown that if the projection f : X x Y --> X has its induced mapping C(f) open, then X is C-smooth. As a corollary, a characterization of dendrites in these terms is obtained.