Showing 381 - 400 results of 411 for search '"metric spaces"', query time: 0.04s Refine Results
  1. 381

    On the uniform exponential stability of linear skew-product semiflows by Ciprian Preda

    Published 2006-01-01
    “…The problem of uniform exponential stability of linear skew-product semiflows on locally compact metric space with Banach fibers, is discussed. It is established a connection between the uniform exponential stability of linear skewproduct semiflows and some admissibility-type condition. …”
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    Article
  2. 382

    Fixed Point Theorems for Generalized Mizoguchi-Takahashi Graphic Contractions by Nawab Hussain, Jamshaid Ahmad, Marwan Amin Kutbi

    Published 2016-01-01
    “…Some applications to the construction of a fixed point of multivalued mappings in ε-chainable metric space are also discussed.…”
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  3. 383

    Some Generalized Fixed Point Results with Applications to Dynamic Programming by Hamed H. Al-Sulami, Nawab Hussain, Jamshaid Ahmad

    Published 2020-01-01
    “…The aim of this paper is to introduce some generalized contractions and prove certain new fixed point results for self-mappings satisfying these contractions in the setting of F-metric space. As an application of our results, we investigate the problem of dynamic programming related to the multistage process which formulates the problems of computer programming and mathematical optimization. …”
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  4. 384

    A Suzuki Type Coupled Fixed Point Theorem for Generalized Multivalued Mapping by Pushpendra Semwal, Ramesh Chandra Dimri

    Published 2014-01-01
    “…We obtain a new Suzuki type coupled fixed point theorem for a multivalued mapping T from X×X into CB(X), satisfying a generalized contraction condition in a complete metric space. Our result unifies and generalizes various known comparable results in the literature. …”
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    Article
  5. 385

    On State-Dependent Delay Intuitionistic Fuzzy Partial Functional Differential Equations with Integral Boundary Conditions by Bouchra Ben Amma, Said Melliani, Lalla Saadia Chadli

    Published 2021-01-01
    “…This paper addresses the issue of the existence and uniqueness of intuitionistic fuzzy solutions for some classes of partial functional differential equations with state-dependent delay in a new weighted complete metric space. Theorems on the existence and uniqueness of intuitionistic fuzzy solutions for these problems with integral boundary conditions are established under some sufficient assumptions. …”
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    Article
  6. 386

    Existence Theorems for Solvability of a Functional Equation Arising in Dynamic Programming by Deepmala

    Published 2014-01-01
    “…The paper deals with the existence, uniqueness, and iterative approximations of solutions for the functional equations arising in dynamic programming of multistage decision making processes in Banach spaces BC(S) and B(S) and complete metric space BB(S), respectively. Our main results extend, improve, and generalize the results due to several authors. …”
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    Article
  7. 387

    Inscribing closed non-σ-lower porous sets into Suslin non-σ-lower porous sets by Luděk Zajíček, Miroslav Zelený

    Published 2005-01-01
    “…The main aim of this paper is to prove that every non-σ-lower porous Suslin set in a topologically complete metric space contains a closed non-σ-lower porous subset. …”
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  8. 388

    About Fixed Points in CAT(0) Spaces under a Combined Structure of Two Self-Mappings by Manuel De la Sen

    Published 2017-01-01
    “…This paper investigates some fixed point-related questions including the sequence boundedness and convergence properties of mappings QtSx,Ty=tSx⊕1-tTy defined in CAT0 spaces, which are parameterized by a scalar t∈0,1, where S,T:  X→X are nonexpansive Lipschitz-continuous mappings and X,d is a metric space which is a CAT0 space.…”
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  9. 389

    On combinational contractions with applications by Mohammed Shehu Shagari, Manzuma Mustapha, Hala H. Taha, Sarah Aljohani, Nabil Mlaiki

    Published 2025-01-01
    “…The aim of this paper is to provide a new hybrid contraction that is a combination of Jaggi, Meir-Keeler and Zamfirescu-type contractions in the framework of a complete metric space. The existence and uniqueness conditions of a fixed point of such contractions are investigated. …”
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    Article
  10. 390

    Soft Fixed Point Theorems for the Soft Comparable Contractions by Chi-Ming Chen, Zhi-Hao Xu, Erdal Karapinar

    Published 2021-01-01
    “…In this article, we introduce the notions of a soft inf-comparable contraction and soft comparable Meir-Keeler contraction in a soft metric space. Furthermore, we prove two soft fixed point theorems which assure the existence of soft fixed points for these two types of comparable contractions. …”
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    Article
  11. 391

    Best Proximity Point Results for MK-Proximal Contractions by Mohamed Jleli, Erdal Karapınar, Bessem Samet

    Published 2012-01-01
    “…Let A and B be nonempty subsets of a metric space with the distance function d, and T:A→B is a given non-self-mapping. …”
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  12. 392

    A fixed point theorem for non-self set-valued mappings by B. E. Rhoades

    Published 1997-01-01
    “…Let X be a complete, metrically convex metric space, K a closed convex subset of X, CB(X) the set of closed and bounded subsets of X. …”
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  13. 393

    Common fixed point theorems for commuting k-uniformly Lipschitzian mappings by M. Elamrani, A. B. Mbarki, B. Mehdaoui

    Published 2001-01-01
    “…We give a common fixed point existence theorem for any sequence of commuting k-uniformly Lipschitzian mappings (eventually, for k=1 for any sequence of commuting nonexpansive mappings) defined on a bounded and complete metric space (X,d) with uniform normal structure. After that we deduce, by using the Kulesza and Lim (1996), that this result can be generalized to any family of commuting k-uniformly Lipschitzian mappings.…”
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  14. 394

    Employing Locally Finitely T-Transitive Binary Relations to Prove Coincidence Theorems for Nonlinear Contractions by Mohammad Arif, Idrees A. Khan, Mohammad Imdad, Aftab Alam

    Published 2020-01-01
    “…In this article, we prove some relation-theoretic results on coincidence and common fixed point for a nonlinear contraction employing a locally finitely T-transitive binary relation, where T stands for a self-mapping on the underlying metric space. Our newly proved results deduce sharpened versions of certain relevant results of the existing literature. …”
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  15. 395

    Invariant Approximation Results via Common Fixed Point Theorems for Generalized Weak Contraction Maps by Savita Rathee, Anil Kumar, Kenan Tas

    Published 2014-01-01
    “…A common fixed point theorem for generalized φ,ϕ,L f,g-weak contraction in a metric space is established. As an application, some common fixed point results in normed linear spaces are obtained. …”
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  16. 396

    Some Fixed Point Results for Perov-Ćirić-Prešić Type F-Contractions with Application by Abdolsattar Gholidahneh, Shaban Sedghi, Vahid Parvaneh

    Published 2020-01-01
    “…Ćirić and Prešić developed the concept of Prešić contraction to Ćirić-Prešić type contractive mappings in the background of a metric space. On the other hand, Altun and Olgun introduced Perov type F-contractions. …”
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  17. 397

    On the Space of Functions with Growths Tempered by a Modulus of Continuity and Its Applications by Józef Banaś, Rafał Nalepa

    Published 2013-01-01
    “…We are going to study the space of real functions defined on a bounded metric space and having growths tempered by a modulus of continuity. …”
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  18. 398

    New Results for Some Intuitionistic Fuzzy Partial Functional Differential Equations with State-Dependent Delay by Bouchra Ben Amma, Said Melliani, Lalla Saadia Chadli

    Published 2024-03-01
    “…In this research work, we investigate novel findings concerning the existence and uniqueness of intuitionistic fuzzy solutions for state-dependent delay intuitionistic fuzzy partial functional differential equations with local initial conditions in a new weighted intuitionistic fuzzy complete metric space under suitable assumptions. The main results of this paper are based on the Banach fixed point theorem. …”
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  19. 399

    On metrization of the space Dα[0, ∞) by Rimas Banys

    Published 2001-12-01
    “…This metric converts Dα[0, ∞) into a complete separable metric space. It is a modification of a metric on Dα[0, 1) introduced by Woodroofe, and is stronger than the well-known metrics on Dα[0, ∞). …”
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  20. 400

    Attractors of Compactly Generated Semigroups of Regular Polynomial Mappings by Azza Alghamdi, Maciej Klimek, Marta Kosek

    Published 2018-01-01
    “…We investigate the metric space of pluriregular sets as well as the contractions on that space induced by infinite compact families of proper polynomial mappings of several complex variables. …”
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