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Vietnam Journal of Mathematics 35:2(2007) 177-186

 Insertion of a Contra-Continuous Function

Majid Mirmiran

Abstract.  A necessary and sufficient condition in terms of lower cut sets are given for the insertion of a contra-continuous function between two comparable real-valued functions on such topological spaces that Λ-sets are open.

 

2000 Mathematics Subject Classification: 54C08, 54C10, 54C50.

Keywords: Insertion, Strong binary relation, Contra-continuous function, Λ-sets, Lower cut set.

 

 

 

 

 

 

 

 

 

 

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