Showing 361 - 380 results of 429 for search '"metric spaces"', query time: 0.06s Refine Results
  1. 361

    Set-Valued SU-Type Fixed Point Theorems via Gauge Function with Applications by Amjad Ali, Monairah Alansari, Fahim Uddin, Muhammad Arshad, Awais Asif, Ghada Ali Basendwah

    Published 2021-01-01
    “…In this article, we have designed two existence of fixed point theorems which are regarding to set-valued SU-type θη-contraction and Γα-contraction via gauge function in the setting of metric spaces. An extensive set of nontrivial example will be given to justify our claim. …”
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    Article
  2. 362

    Exciting Fixed Point Results on a Novel Space with Supportive Applications by Hasanen A. Hammad, Hassen Aydi, Yaé Ulrich Gaba

    Published 2021-01-01
    “…The goal of this paper is to present a new space, a complex valued controlled rectangular b-metric space (for short, υℂ-metric space). Some examples and topological properties of υℂ-metric spaces are given. …”
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    Article
  3. 363

    Some New Results of Interpolative Hardy–Rogers and Ćirić–Reich–Rus Type Contraction by Youssef Errai, El Miloudi Marhrani, Mohamed Aamri

    Published 2021-01-01
    “…In this paper, we present new concepts on completeness of Hardy–Rogers type contraction mappings in metric space to prove the existence of fixed points. …”
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    Article
  4. 364

    Existence and construction of the Peano selection for a multivalued function by Rosario D. Delgado V., Waymer A. Barreto V., Teodoro L. Acevedo T.

    Published 2024-12-01
    “…To then address the same topics, but on metric spaces. Next, the theory of multivalued functions was studied, specifically semicontinuity, both superiorly and inferiorly. …”
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    Article
  5. 365

    Fixed Point Results for α-ψ-Contractive Mappings Including Almost Contractions and Applications by Gonca Durmaz, Gülhan Mınak, Ishak Altun

    Published 2014-01-01
    “….), the authors introduced the concept of α-admissible maps on metric spaces. Using this new concept, they presented some nice fixed point results. …”
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    Article
  6. 366

    Double Controlled Quasi-Metric Type Spaces and Some Results by Abdullah Shoaib, Sabeena Kazi, Asifa Tassaddiq, Shaif S. Alshoraify, Tahair Rasham

    Published 2020-01-01
    “…Abdeljawad et al. (2018) introduced a new concept, named double controlled metric type spaces, as a generalization of the notion of extended b-metric spaces. In this paper, we extend their concept and introduce the concept of double controlled quasi-metric type spaces with two incomparable functions and prove some unique fixed point results involving new types of contraction conditions. …”
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  7. 367
  8. 368

    Common Fixed Point Results for Intuitionistic Fuzzy Hybrid Contractions with Related Applications by Mohammed Shehu Shagari, Shazia Kanwal, Akbar Azam, Hassen Aydi, Yaé Ulrich Gaba

    Published 2023-01-01
    “…In order to entrench hybrid fixed notions in fuzzy mathematics, this paper focuses on introducing a new idea under the name intuitionistic fuzzy p-hybrid contractions in the realm of -metric spaces. Sufficient conditions for the existence of common intuitionistic fuzzy fixed points for such maps are established. …”
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    Article
  9. 369

    Solving Integral Equations by Means of Fixed Point Theory by E. Karapinar, A. Fulga, N. Shahzad, A. F. Roldán López de Hierro

    Published 2022-01-01
    “…In this paper, we study a very general class of integral equations by means of a novel family of contractions in the setting of metric spaces. The main advantage of this family is the fact that its general contractivity condition can be particularized in a wide range of ways, depending on many parameters. …”
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    Article
  10. 370

    An Easy-to-Understand Method to Construct Desired Distance-Like Measures by Wen Qing Fu, Sheng Gang Li, Harish Garg, Heng Liu, Ahmed Mostafa Khalil, Jingjing Zhao

    Published 2021-01-01
    “…Moreover, some WIVP-metrics pertinent to quantitative logic theory or interval-valued fuzzy graphs are constructed, and fixed point theorems and common fixed point theorems in weak interval-valued metric spaces are also presented. Topics and strategies for further study are also put forward concretely and clearly.…”
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  11. 371

    A Strong Law of Large Numbers for Random Sets in Fuzzy Banach Space by R. Ghasemi, A. Nezakati, M. R. Rabiei

    Published 2020-01-01
    “…The main purpose of this paper is to consider the strong law of large numbers for random sets in fuzzy metric space. Since many years ago, limited theorems have been expressed and proved for fuzzy random variables, but despite the uncertainty in fuzzy discussions, the nonfuzzy metric space has been used. …”
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    Article
  12. 372

    Common α-Fuzzy Fixed Point Results for Kannan Type Contractions with Application by Amer Hassan Albargi, Jamshaid Ahmad

    Published 2022-01-01
    “…The purpose of this paper is to utilize complex valued extended b-metric space and obtain common α-fuzzy fixed point theorems under Kannan type contractions. …”
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    Article
  13. 373

    On Metrization of the Topologies Induced by Fuzzy Metrics by Jianrong Wu, Hao Yang

    Published 2020-01-01
    “…In this paper, we focus on finding the metric functions in a fuzzy metric space. After introducing the concept of a stratified function in a fuzzy metric space, we prove that the topology generated by the family of stratified functions coincides with the topology generated by the fuzzy metric. …”
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    Article
  14. 374

    ON Modified (α-η)-Contractive Mappings by Marwan Amin Kutbi, Muhammad Arshad, Aftab Hussain

    Published 2014-01-01
    “…Hussain et al. (2013) established new fixed point results in complete metric space. In this paper, we prove fixed point results of α-admissible mappings with respect to η, for modified contractive condition in complete metric space. …”
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  15. 375

    A Note on tvs-G-Cone Metric Fixed Point Theory by Ing-Jer Lin, Chi-Ming Chen, Chao-Hung Chen, Tien-Ying Cheng

    Published 2012-01-01
    “…For a tvs-G-cone metric space (𝑋,𝐺) and for the family 𝒜 of subsets of X, we introduce a new notion of the tvs-ℋ-cone metric ℋ with respect to G, and we get a fixed result for the 𝒞ℬ𝒲-tvs-G-cone-type function in a complete tvs-G-cone metric space (𝒜,ℋ). …”
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  16. 376

    Consistency of the $k$-nearest neighbors rule for functional data by Younso, Ahmad

    Published 2023-01-01
    “…The problem of nonparametric classification by $k$-nearest neighbors rule in a general metric space will be considered. Consistency and strong consistency of the classifier will be established under mild conditions.…”
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  17. 377

    Almost convex metrics and Peano compactifications by R. F. Dickman

    Published 1982-01-01
    “…Let (X,d) denote a locally connected, connected separable metric space. We say the X is S-metrizable provided there is a topologically equivalent metric ρ on X such that (X,ρ) has Property S, i.e., for any ϵ>0, X is the union of finitely many connected sets of ρ-diameter less than ϵ. …”
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  18. 378

    Completeness of the set of sub-σ-algebras by Xikui Wang

    Published 1993-01-01
    “…In this note, we will show that the resulting metric space is complete.…”
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  19. 379

    Common fixed point theorems of contractive-type mappings by Hee Soo Park, Jeong Sheok Ume

    Published 2004-01-01
    “…Using the concept of D-metric we prove some common fixed point theorems for generalized contractive mappings on a complete D-metric space. Our results extend, improve, and unify results of Fisher and Ćirić.…”
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  20. 380

    The Monotone Contraction Mapping Theorem by Joseph Frank Gordon

    Published 2020-01-01
    “…This paper provides a version of the Banach fixed-point theorem in a complete metric space.…”
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