Showing 501 - 520 results of 631 for search '"fixed point theorem"', query time: 0.07s Refine Results
  1. 501

    On Asymptotic Pointwise Contractions in Modular Metric Spaces by Afrah A. N. Abdou

    Published 2013-01-01
    “…In this paper we study and prove some new fixed points theorems for pointwise and asymptotic pointwise contraction mappings in modular metric spaces.…”
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    Article
  2. 502

    Fixed point of nonexpansive type and K-multivalued maps by Abdul Latif, Taqdir Husain, Ismat Beg

    Published 1994-01-01
    “…Some fixed point theorems for nonexpansive type and K-multivalued mappings are proved. …”
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    Article
  3. 503

    Expansive Mappings and Their Applications in Modular Space by A. Azizi, R. Moradi, A. Razani

    Published 2014-01-01
    “…Some fixed point theorems for ρ-expansive mappings in modular spaces are presented. …”
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  4. 504

    Generalized Reich–Ćirić–Rus-Type and Kannan-Type Contractions in Cone b-Metric Spaces over Banach Algebras by Yan Han, Shaoyuan Xu

    Published 2021-01-01
    “…Moreover, we present some nontrivial examples to support the new concepts and our fixed point theorems.…”
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    Article
  5. 505

    Existence of Nontrivial Solutions for Some Second-Order Multipoint Boundary Value Problems by Hongyu Li, Junting Zhang

    Published 2018-01-01
    “…By using fixed point theorems with lattice structure, the existence of negative solution and sign-changing solution for some second-order multipoint boundary value problems is obtained.…”
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    Article
  6. 506

    On sequences of contractive mappings and their fixed points by M. Imdad, M. S. Khan, S. Sessa

    Published 1988-01-01
    “…By using a condition of Reich, we establish two fixed point theorems concerning sequences of contractive mappings and their fixed points. …”
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    Article
  7. 507

    On coincidence and common fixed points of nearly densifying mappings by Zeqing Liu, Jeong Sheok Ume

    Published 2000-01-01
    “…Coincidence and common fixed point theorems for certain new classes of nearly densifying mappings are established. …”
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    Article
  8. 508

    On Cyclic Generalized Weakly C-Contractions on Partial Metric Spaces by Erdal Karapınar, Vladimir Rakocević

    Published 2013-01-01
    “…The results of this paper extend, generalize, and improve some fixed point theorems in the literature.…”
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    Article
  9. 509

    On fixed points of set-valued directional contractions by Sehie Park

    Published 1985-01-01
    “…Using equivalent formulations of Ekeland's theorem, we improve fixed point theorems of Clarke, Sehgal, Sehgal-Smithson, and Kirk-Ray on directional contractions by giving geometric estimations of fixed points.…”
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    Article
  10. 510

    New Nonlinear Conditions and Inequalities for the Existence of Coincidence Points and Fixed Points by Wei-Shih Du, Shao-Xuan Zheng

    Published 2012-01-01
    “…Some new fixed point theorems for nonlinear maps are established. …”
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    Article
  11. 511

    Impulsive Antiperiodic Boundary Value Problems for Nonlinear qk-Difference Equations by Lihong Zhang, Bashir Ahmad, Guotao Wang

    Published 2014-01-01
    “…We show the existence and uniqueness of solutions for an antiperiodic boundary value problem of nonlinear impulsive qk-difference equations by applying some well-known fixed point theorems. An example is presented to illustrate the main results.…”
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  12. 512

    Two New Geraghty Type Contractions in Gb-Metric Spaces by Yixiao Wang, Chunfang Chen

    Published 2019-01-01
    “…In this work, two Geraghty type contractions are introduced in Gb-metric spaces, and some fixed point theorems about the contractions are proved. At the end of this article, a theorem about unique solution of an integral function is proved.…”
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    Article
  13. 513

    Fixed Point Results in Quasi-Cone Metric Spaces by Fawzia Shaddad, Mohd Salmi Md Noorani

    Published 2013-01-01
    “…The main aim of this paper is to prove fixed point theorems in quasi-cone metric spaces which extend the Banach contraction mapping and others. …”
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    Article
  14. 514

    Fixed Point Results via G-Function over the Complete Partial b-Metric Space by Sara Salem Alzaid, Andreea Fulga, Badr Alqahtani

    Published 2020-01-01
    “…In this paper, we consider an auxiliary function G to combine and unify several existing fixed point theorems in the setting of the complete partial b-metric space. …”
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  15. 515

    A generalization of contraction principle by K. M. Ghosh

    Published 1981-01-01
    “…Using the generalized mean value contraction, some fixed point theorems are discussed.…”
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  16. 516

    Periodic Points and Fixed Points for the Weaker (ϕ,φ)-Contractive Mappings in Complete Generalized Metric Spaces by Chi-Ming Chen, W. Y. Sun

    Published 2012-01-01
    “…Our results generalize or improve many recent fixed point theorems in the literature.…”
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    Article
  17. 517

    Fixed Points of Geraghty-Type Mappings in Various Generalized Metric Spaces by Dušan Ðukić, Zoran Kadelburg, Stojan Radenović

    Published 2011-01-01
    “…Fixed point theorems for mappings satisfying Geraghty-type contractive conditions are proved in the frame of partial metric spaces, ordered partial metric spaces, and metric-type spaces. …”
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  18. 518

    Existence of Solutions of Nonlinear Stochastic Volterra Fredholm Integral Equations of Mixed Type by K. Balachandran, J.-H. Kim

    Published 2010-01-01
    “…We establish sufficient conditions for the existence and uniqueness of random solutions of nonlinear Volterra-Fredholm stochastic integral equations of mixed type by using admissibility theory and fixed point theorems. The results obtained in this paper generalize the results of several papers.…”
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  19. 519

    Existence of Solutions for a Periodic Boundary Value Problem via Generalized Weakly Contractions by Sirous Moradi, Erdal Karapınar, Hassen Aydi

    Published 2013-01-01
    “…For this purpose, we present some fixed point theorems for weakly and generalized weakly contractive mappings in the setting of partially ordered complete metric spaces.…”
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    Article
  20. 520

    The fixed point index for accretive mapping with K—set contraction perturbation in cones by Yu-Qing Chen

    Published 1996-01-01
    “…Let P be cone Banach space E, A, K are two mappings in P, A accretive, K is K—set contraction, then fixed point index defined for mapping −A+K, some fixed point theorems are also deduced.…”
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