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541
Existence Results for ψ-Hilfer Fractional Integro-Differential Hybrid Boundary Value Problems for Differential Equations and Inclusions
Published 2021-01-01“…Existence results are established for single and multivalued cases, by using suitable fixed-point theorems for the product of two single or multivalued operators. …”
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542
Integral Type F-Contractions in Partial Metric Spaces
Published 2019-01-01“…In this work, we defined generalized integral type F-contractions and proved common fixed point theorems for four mappings satisfying this type (Branciari type) of contractions in partial metric spaces.…”
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543
Existence of Nontrivial Solutions for Unilaterally Asymptotically Linear Three-Point Boundary Value Problems
Published 2014-01-01“…Using fixed point theorems in ordered Banach spaces with the lattice structure, we consider the existence of nontrivial solutions under the condition that the nonlinear term can change sign and study the existence of sign-changing solutions for some second order three-point boundary value problems. …”
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544
Impulsive Fractional Semilinear Integrodifferential Equations with Nonlocal Conditions
Published 2021-01-01“…Based on the semigroup theory and some fixed point theorems, the existence theory of PC-mild solutions is established under the condition of compact resolvent operator. …”
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545
Common α-Fuzzy Fixed Point Results with Applications to Volterra Integral Inclusions
Published 2021-01-01“…The purpose of this paper is to establish some common α-fuzzy fixed point theorems for a pair fuzzy mappings and obtain some results of literature for multivalued mappings. …”
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546
Caristi Type Selections of Multivalued Mappings
Published 2015-01-01“…Also we prove fixed point and quasi-fixed point theorems.…”
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547
Generalization Contractive Mappings on Rectangular b-Metric Space
Published 2022-01-01“…In this paper, we introduce new coincidence fixed point theorems for generalized ϕ,ψ-contractive mappings fulfilling kind of an admissibility provision in a Hausdorff b-rectangular metric space with the support of C-functions. …”
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548
Multiple Positive Solutions for Quadratic Integral Equations of Fractional Order
Published 2017-01-01“…In this paper, the existence of multiple positive solutions for a class of quadratic integral equation of fractional order is obtained, by utilizing Avery-Henderson and Leggett-Williams multiple fixed point theorems on cones. An example is given to illustrate the applicability of our results. …”
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549
Existence and Uniqueness of Solutions for a Fractional Hybrid System with Nonseparated Integral Boundary Hybrid Conditions
Published 2022-01-01“…We are going to use Banach’s and Leray-Schauder alternative fixed point theorems to obtain the main results. Lastly, we are giving two examples to show the effectiveness of the main results.…”
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550
Positive Solutions for the Initial Value Problem of Fractional Evolution Equations
Published 2013-01-01“…By using the fixed point theorems and the theory of analytic semigroup, we investigate the existence of positive mild solutions to the Cauchy problem of Caputo fractional evolution equations in Banach spaces. …”
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551
Edge Theoretic Extended Contractions and Their Applications
Published 2021-01-01“…Edge theoretic extended contractions are introduced and coincidence point theorems and common fixed-point theorems are proved for such contraction mappings in a metric space endowed with a graph. …”
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552
An Easy-to-Understand Method to Construct Desired Distance-Like Measures
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. …”
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553
Common Fixed Point and Coupled Coincidence Point Theorems for Geraghty’s Type Contraction Mapping with Two Metrics Endowed with a Directed Graph
Published 2017-01-01“…The purpose of this paper is to present some existence and uniqueness results for common fixed point theorems for θ-ϕ contraction mappings with two metrics endowed with a directed graph. …”
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554
Existence Results for Langevin Fractional Differential Inclusions Involving Two Fractional Orders with Four-Point Multiterm Fractional Integral Boundary Conditions
Published 2013-01-01“…Our study relies on standard fixed point theorems for multivalued maps and covers the cases when the right-hand side of the inclusion has convex as well as nonconvex values. …”
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555
Some Existence Results for a System of Nonlinear Fractional Differential Equations
Published 2020-01-01“…This paper presents some common fixed point theorems and an application to resolve a system of nonlinear fractional differential equations. …”
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556
Fixed-Point Results in Elliptic-Valued Metric Spaces with Applications
Published 2025-01-01“…The primary objective of this research is to investigate the notion of elliptic-valued metric spaces and prove new fixed-point theorems for diverse generalized contractions. …”
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557
θ‐ϕ‐Contraction on α,η‐Complete Rectangular b‐Metric Spaces
Published 2020-01-01“…Further, we establish some fixed point theorems for this type of mappings defined on such spaces. …”
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558
Quantum Difference Langevin System with Nonlocal q-Derivative Conditions
Published 2016-01-01“…Some new existence and uniqueness results for coupled systems are obtained by using fixed point theorems. The existence and uniqueness of solutions are established by Banach’s contraction mapping principle, while the existence of solutions is derived by using Leray-Schauder’s alternative. …”
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559
Fixed Point Problems for Nonexpansive Mappings in Bounded Sets of Banach Spaces
Published 2020-01-01“…The purpose of this paper is to establish fixed point theorems of nonexpansive mappings for bounded sets in Banach spaces. …”
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560
New Fixed Point Results in F-Quasi-Metric Spaces and an Application
Published 2020-01-01“…The main goal of the present paper is to obtain several fixed point theorems in the framework of F-quasi-metric spaces, which is an extension of F-metric spaces. …”
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