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A note on feebly continuous functions

Authors :
Leader, Imre
Source :
Topology & Its Applications. Oct2009, Vol. 156 Issue 16, p2629-2631. 3p.
Publication Year :
2009

Abstract

Abstract: A function f from to is said to be feebly continuous at a point if there exist sequences and with . Dales asked if every function has a point of feeble continuity. Our aim in this short note is to show that (assuming the Continuum Hypothesis) the answer is ‘no’. Dales also asked what happens for functions taking only two values: we show that in this case the answer is ‘yes’. [Copyright &y& Elsevier]

Details

Language :
English
ISSN :
01668641
Volume :
156
Issue :
16
Database :
Academic Search Index
Journal :
Topology & Its Applications
Publication Type :
Academic Journal
Accession number :
44132490
Full Text :
https://doi.org/10.1016/j.topol.2009.04.009