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Vietnam Journal of Mathematics 34:1(2006) 41-49

Strong Insertion of a Contra-Continuous Function 

Majid Mirmiran

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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