On Common Fixed Points of Pairs of a Single and a Multivalued Coincidentally Commuting Mappings in D-metric Spaces
نویسندگان
چکیده
The present paper studies some common fixed-point theorems for pairs of a single-valued and a multivalued coincidentally commuting mappings in D-metric spaces satisfying a certain generalized contraction condition. Our result generalizes more than a dozen known fixed-point theorems in D-metric spaces including those of Dhage (2000) and Rhoades (1996). 1. Introduction. The concept of a D-metric space introduced by the first author in [1] is as follows. A nonempty set, together with a function ρ : X ×X × X → [0, ∞), is called a D-metric space and denoted by (X, ρ) if the function ρ,
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تاریخ انتشار 2003