Results 41 to 50 of about 289 (110)

On the Existence of the Solutions for Some Nonlinear Volterra Integral Equations

open access: yesAbstract and Applied Analysis, 2013
We present a theorem which gives sufficient conditions for existence of at least one solution for some nonlinear functional integral equations in the space of continuous functions on the interval [0,a]. To do this, we will use Darbo's fixed-point theorem
İsmet Özdemir   +2 more
doaj   +1 more source

Dirichlet problem in Banach spaces: the bound sets approach [PDF]

open access: yes, 2013
The existence and localization result is obtained for a multivalued Dirichlet problem in a Banach space. The upper-Carathéodory and Marchaud right-hand sides are treated separately because in the latter case, the transversality conditions derived by ...
Jan Andres   +2 more
core   +1 more source

A new contraction based on H -simulation functions in the frame of extended b-metric spaces and application [PDF]

open access: yes, 2023
The conceptions of b-metric spaces and metric spaces play a remarkable role in proving many theorems of uniqueness and existence solution of such equations as integral or differential equations. The conception of extended b-metric spaces is considered as
Hatamleh, Raed, Qawasmeh, Tariq
core   +2 more sources

Existence and asymptotic stability of continuous solutions for a general form of integral equations of product type

open access: yesJournal of Innovative Applied Mathematics and Computational Sciences, 2023
In this work, we study the existence and the asymptotic stability of the continuous solutions for a general form for neutral integral equations of product type.
Azzeddine Bellour, Mahmoud Bousselsal
doaj   +1 more source

Some generalizations of Darbo’s theorem and applications to fractional integral equations [PDF]

open access: yes, 2016
In this paper, some generalizations of Darbo’s fixed point theorem are presented. An existence result for a class of fractional integral equations is given as an application of the obtained results.
Jleli,M.   +4 more
core   +1 more source

Darbo’s Fixed-Point Theorem: Establishing Existence and Uniqueness Results for Hybrid Caputo–Hadamard Fractional Sequential Differential Equations

open access: yesFractal and Fractional
This work explores the existence and uniqueness criteria for the solution of hybrid Caputo–Hadamard fractional sequential differential equations (HCHFSDEs) by employing Darbo’s fixed-point theorem. Fractional differential equations play a pivotal role in
Muhammad Yaseen   +4 more
doaj   +1 more source

Generalizations of Darbo’s fixed point theorem for new condensing operators with application to a functional integral equation

open access: yesDemonstratio Mathematica, 2019
In this paper, we provide some generalizations of the Darbo’s fixed point theorem associated with the measure of noncompactness and present some results on the existence of the coupled fixed point theorems for a special class of operators in a Banach ...
Rehman Habib ur   +2 more
doaj   +1 more source

Controllability of nonlinear implicit fractional integrodifferential systems

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2014
In this paper, we study the controllability of nonlinear fractional integrodifferential systems with implicit fractional derivative. Sufficient conditions for controllability results are obtained through the notion of the measure of noncompactness of a ...
Balachandran Krishnan, Divya Shanmugam
doaj   +1 more source

(SI10-003) Some New Fixed Point Theorem via Shifting Distance Functions [PDF]

open access: yes, 2022
In this paper, we present a new fixed point theorem involving non-compactness measures and shifting distance functions. This paper provides a generalization of the famous fixed point theorem of Banach.
Deuri, Bhuban Chandra
core   +1 more source

A NONLINEAR F-CONTRACTION FORM OF SADOVSKII'S FIXED POINT THEOREM AND ITS APPLICATION TO A FUNCTIONAL INTEGRAL EQUATION OF VOLTERRA TYPE [PDF]

open access: yes, 2021
In this paper, we give a nonlinear F-contraction form of the Sadovskii fixedpoint theorem and we also investigate the existence of solutions for a functional integral equation of Volterra ...
Nourouzi, Kourosh   +2 more
core   +1 more source

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