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Now showing 1 - 7 of 7
  • Article
    Citation - WoS: 78
    Citation - Scopus: 63
    Discussion on Some Coupled Fixed Point Theorems
    (Springer international Publishing Ag, 2013) Samet, Bessem; Karapinar, Erdal; Aydi, Hassen; Rajic, Vesna Cojbasic
    In this paper, we show that, unexpectedly, most of the coupled fixed point theorems (on ordered metric spaces) are in fact immediate consequences of well-known fixed point theorems in the literature. MSC: 47H10, 54H25.
  • Article
    Citation - WoS: 51
    Citation - Scopus: 57
    Tripled Coincidence Point Results for Generalized Contractions in Ordered Generalized Metric Spaces
    (Springer international Publishing Ag, 2012) Aydi, Hassen; Karapinar, Erdal; Shatanawi, Wasfi
    In this paper, we establish some tripled coincidence point results for a mixed g-monotone mapping F : X (3) -> X satisfying (psi, I center dot)-contractions in ordered generalized metric spaces. Also, an application and some examples are given to support our results.
  • Article
    Citation - WoS: 21
    Citation - Scopus: 23
    Best Proximity Points of Generalized Almost Ψ-Geraghty Contractive Non-Self
    (Springer international Publishing Ag, 2014) Aydi, Hassen; Karapinar, Erdal; Erhan, Inci M.; Salimi, Peyman
    In this paper, we introduce the new notion of almost psi-Geraghty contractive mappings and investigate the existence of a best proximity point for such mappings in complete metric spaces via the weak P-property. We provide an example to validate our best proximity point theorem. The obtained results extend, generalize, and complement some known fixed and best proximity point results from the literature.
  • Article
    Citation - WoS: 29
    Citation - Scopus: 42
    Mixed g-monotone Property and Quadruple Fixed Point Theorems in Partially Ordered Metric Spaces
    (Springer international Publishing Ag, 2012) Mustafa, Zead; Aydi, Hassen; Karapinar, Erdal
    In this manuscript, we prove some quadruple coincidence and common fixed point theorems for F : X-4 -> X and g : X -> X satisfying generalized contractions in partially ordered metric spaces. Our results unify, generalize and complement various known results from the current literature. Also, an application to matrix equations is given.
  • Article
    Citation - WoS: 236
    Citation - Scopus: 269
    A fixed point theorem for set-valued quasi-contractions in b-metric spaces
    (Springer international Publishing Ag, 2012) Aydi, Hassen; Bota, Monica-Felicia; Karapinar, Erdal; Mitrovic, Slobodanka
    In this article, we give a fixed point theorem for set-valued quasi-contraction maps in b-metric spaces. This theorem extends, unifies and generalizes several well known comparable results in the existing literature.
  • Article
    Citation - WoS: 25
    Citation - Scopus: 32
    Remarks on Some Recent Fixed Point Theorems
    (Springer international Publishing Ag, 2012) Aydi, Hassen; Karapinar, Erdal; Samet, Bessem
    The purpose of this article is to show that some recent fixed point theorems are particular results of previous existing theorems in the literature. Mathematics Subject Classification 2000: 54H25; 47H10.
  • Article
    Citation - WoS: 85
    Citation - Scopus: 99
    Tripled Coincidence Point Theorems for Weak Φ-Contractions in Partially Ordered Metric Spaces
    (Springer international Publishing Ag, 2012) Aydi, Hassen; Karapinar, Erdal; Postolache, Mihai
    In this article, we present tripled coincidence point theorems for : (3) -> and : -> satisfying weak -contractions in partially ordered metric spaces. We also provide nontrivial examples to illustrate our results and new concepts presented herein. Our results unify, generalize and complement various known comparable results from the current literature, Berinde and Borcut and Abbas et al.