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INSERTION OF A CONTRA-BAIRE-1 (BAIRE-.5) FUNCTION
Majid Mirmiran,Binesh Naderi 한국수학교육학회 2019 純粹 및 應用數學 Vol.26 No.3
A necessary and sufficient condition in terms of lower cut sets is given for the insertion of a Baire-.5 function between two comparable real-valued functions on the topological spaces whose $F_{\sigma}-$kernel of sets are $F_{\sigma}$-sets.
Majid Mirmiran,Binesh Naderi 한국수학교육학회 2019 純粹 및 應用數學 Vol.26 No.1
Necessary and sufficient conditions in terms of lower cut sets are given for the strong insertion of a Baire-.5 function between two comparable real-valued functions on the topological spaces that Fσ−kernel of sets are Fσ−sets.