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math.DS2023
Contraction map sets with an external factor and weakly fixed points
Vasil Zhelinski
In this paper I introduce the property CD which is a more convenient variant of the UC property and show one of the possible relationships between them, I also extend the concept o…
math.FA2023
On the UC and UC* properties and the existence of best proximity points in metric spaces
Vasil Zhelinski, Boyan Zlatanov
We investigate the connections between UC and UC* properties for ordered pairs of subsets (A,B) in metric spaces, which are involved in the study of existence and uniqueness of bes…