Browsing by Author "Ahmad, Jamshaid"
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Article Citation Count: 22Some Common Fixed Point Results in Rectangular Metric Spaces(Hindawi Ltd, 2013) Karapınar, Erdal; Ahmad, Jamshaid; KarapJnar, Erdal; MathematicsWe obtain sufficient conditions for the existence of unique common fixed point of (psi-phi)-weakly contractive mappings on complete rectangular metric spaces. In the process, we generalize several fixed point results from the literature. We also give an example to illustrate our work.Article Citation Count: 37Some fixed point results for multi-valued mappings in b-metric spaces(Springeropen, 2014) Karapınar, Erdal; Karapinar, Erdal; Ahmad, Jamshaid; Azam, Akbar; MathematicsThe aim of this paper is to establish some fixed point theorems for set-valued mappings in the context of b-metric spaces. The proposed theorems expand and generalize several well-known comparable results in the literature. An example is also given to support our main result.Article Citation Count: 33Some unique fixed point theorems for rational contractions in partially ordered metric spaces(Springeropen, 2013) Karapınar, Erdal; Karapinar, Erdal; Ahmad, Jamshaid; MathematicsIn this paper, we prove some unique fixed point results for an operator T satisfying certain rational contraction condition in a partially ordered metric space. Our results generalize the main result of Jaggi (Indian J. Pure Appl. Math. 8(2):223-230, 1977). We give several examples to show that our results are proper generalization of the existing one. MSC: 47H10, 54H25, 46J10, 46J15.