A sufficient condition for the insertion of a contra-continuous (Baire-one) function

2004/12/31 by Majid Mirmiran, Mirmiran, Majid
Mathematics · #26A15 #54C08 (Primary) 54C10 #54C30 (Secondary) #FOS: Mathematics #General Topology (math.GN) #math.GN #msc:26A15 #msc:54C08 #msc:54C10 #msc:54C30

paper · pdf · doi:10.48550/arxiv.math/0412553

5 pages

arxiv created 2004/12/31 · arxiv updated 2009/12/01

Abstract

A sufficient condition for the insertion of a contra-continuous (resp. Baire-one) function between two comparable real-valued functions is given on the topological spaces that L-sets are open (resp. G-delta-sets).

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