A common fixed point theorem of weakly commuting mappings.
Two general fixed point theorems on three complete metric spaces.
Some properties of almost contra-precontinuous functions.
On upper and lower weakly -continuous multifunctions.
Some properties of weakly open functions in bitopological spaces.
A General Fixed Point Theorem For Implicit Cyclic Multi-Valued Contraction Mappings
In this paper, a general fixed point theorem for cyclic multi-valued mappings satisfying an implicit relation from [19] different from implicit relations used in [13] and [23], generalizing some results from [22], [15], [13], [14], [16], [10] and from other papers, is proved.
Theorems on multifunctions satisfying a rational inequality
On upper and lower -continuous multifunctions
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