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math.GN2022
On discrete and semimetric fixed point theorems for nonexpansive mappings
A. El Adraoui, M. Kabil, A. Kamous +1
This work is a comparative study between the existence of fixed point for homomorphisms in a class of binary relationnal systems and the existence of fixed point for nonexpansive m…
math.GN2021
Best proximity pairs in ultrametric spaces
K. Chaira, O. Dovgoshey, S. Lazaiz
In the present paper, we study the existence of best proximity pairs in ultrametric spaces. We show, under suitable assumptions, that the proximinal pair has a best proximi…