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Author: Ali, Muhammad UsmanWoS Q: Q2

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Now showing 1 - 3 of 3
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    Article
    Citation - WoS: 19
    Citation - Scopus: 17
    Further Discussion on Modified Multivalued Α*-ψ-contractive Type Mapping
    (Univ Nis, Fac Sci Math, 2015) Ali, Muhammad Usman; Kamran, Tayyab; Karapinar, Erdal
    In this paper, we investigate the existence of a fixed point for modified multivalued alpha(*)-psi-contractive type mapping in the context of complete metric space. We also construct some examples to illustrate the main result. Our results extend, improve and generalize the results on the topic in the literature.
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    Article
    Citation - WoS: 6
    Citation - Scopus: 8
    Discussion on α-strictly Contractive Nonself Multivalued Maps
    (Springer Singapore Pte Ltd, 2016) Ali, Muhammad Usman; Kamran, Tayyab; Karapinar, Erdal
    In this paper, we introduce the notions of alpha-contractive condition and strict alpha-admissibility for nonself multivalued mappings. By using these notions, we prove fixed point theorems for nonself multivalued mappings. We also construct an example to support our result.
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    Article
    Citation - WoS: 4
    Citation - Scopus: 5
    Fixed Point Theorems in Uniform Space Endowed With Graph
    (Univ Miskolc inst Math, 2017) Ali, Muhammad Usman; Fahimuddin; Kamran, Tayyab; Karapinar, Erdal
    In this paper, we shall introduce the concepts of F-G-contraction and psi(G)-contraction in uniform space endowed with graph to investigate the existence of a fixed point of mappings satisfying these notions. We shall also introduce a common fixed point theorem for pair of mappings satisfying the notion of psi(G)-contraction in uniform space endowed with graph.