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Using a fixed point theorem in a proper Banach space, we prove existence and uniqueness results of positive solutions for a fractional Riemann-Liouville nonlocal thermistor problem on arbitrary nonempty closed subsets of the real numbers.

Analysis of PDEs · Mathematics 2018-06-28 Moulay Rchid Sidi Ammi , Delfim F. M. Torres

We study a nonlocal thermistor problem for fractional derivatives in the conformable sense. Classical Schauder's fixed point theorem is used to derive the existence of a tube solution.

Classical Analysis and ODEs · Mathematics 2018-12-27 Moulay Rchid Sidi Ammi , Delfim F. M. Torres

We survey methods and results of fractional differential equations in which an unknown function is under the operation of integration and/or differentiation of fractional order. As an illustrative example, we review results on fractional…

Analysis of PDEs · Mathematics 2018-11-12 Moulay Rchid Sidi Ammi , Delfim F. M. Torres

We begin by proving a local existence result for a fractional Caputo nonlocal thermistor problem. Then, additional existence and continuation theorems are obtained, ensuring global existence of solutions.

Analysis of PDEs · Mathematics 2017-11-17 Moulay Rchid Sidi Ammi , Ismail Jamiai , Delfim F. M. Torres

In this paper, we investigate the existence and uniqueness of solutions for a fractional boundary value problem supplemented with nonlocal Riemann-Liouville fractional integral and Caputo fractional derivative boundary conditions. Our…

Classical Analysis and ODEs · Mathematics 2018-05-17 Faouzi Haddouchi

This paper is devoted to a nonlinear singular Riemann-Liouville type fractional differential equation, the local existence of whose continuous solutions under the weakest condition remained as an open problem until now. The singularity of…

General Mathematics · Mathematics 2021-11-30 Müfit Şan

We prove, using a fixed point theorem in a Banach algebra, an existence result for a fractional functional differential equation in the Riemann-Liouville sense. Dependence of solutions with respect to initial data and an uniqueness result…

Classical Analysis and ODEs · Mathematics 2012-06-21 Moulay Rchid Sidi Ammi , El Hassan El Kinani , Delfim F. M. Torres

In this work, we consider a generalization of the nonlinear Langevin equation of fractional orders with boundary value conditions. The existence and uniqueness of solutions are studied by using results of the fixed point theory. Moreover,…

Analysis of PDEs · Mathematics 2020-04-08 Saeed Kosari , Milad Yadollahzadeh , Zehui Shao , Yongsheng Rao

We investigate the existence, non-existence, uniqueness, and multiplicity of positive solutions to the following problem: \begin{align}\label{P} \left\{ \begin{array}{l} D_{0+}^\alpha u + h(t)f(u) = 0, \quad 0<t<1, \\[1ex] u(0)=u(1)=0,…

Analysis of PDEs · Mathematics 2026-01-21 Inbo Sim , Satoshi Tanaka

By developing new techniques we establish local existence and uniqueness theorems for an initial value problem involving a nonlinear equation in the sense of Riemann-Liouville fractional derivative in the case that the nonlinear function on…

Analysis of PDEs · Mathematics 2018-12-27 Müfit Şan , Uğur Sert

In this paper we prove existence and uniqueness of solutions to a nonlocal parabolic problem which generalizes the electric heating problem of a conducting body.

Analysis of PDEs · Mathematics 2007-05-23 Abderrahmane El Hachimi , Moulay Rchid Sidi Ammi , Delfim F. M. Torres

The main objective of this article is to discuss the local existence of the solution to an initial value problem involving a non-linear differential equation in the sense of Riemann-Liouville fractional derivative of order $\sigma\in(1,2),$…

Analysis of PDEs · Mathematics 2020-07-21 S. S. Bilgici , M. Şan

This paper deals with the local existence and uniqueness results for the solution of fractional differential equations with Hilfer-Hadamrd fractional derivative. Using Picard's approximations and generalizing the restrictive conditions…

Classical Analysis and ODEs · Mathematics 2017-06-02 D B Dhaigude , Sandeep P Bhairat

Using the new conformable fractional derivative, which differs from the Riemann-Liouville and Caputo fractional derivatives, we reformulate the second-order conjugate boundary value problem in this new setting. Utilizing the corresponding…

Classical Analysis and ODEs · Mathematics 2014-11-21 Douglas R. Anderson , Richard I. Avery

We discuss the existence of multiple positive solutions for a nonlocal fractional problem recently considered by Nieto and Pimental. Our approach relies on classical fixed point index.

Classical Analysis and ODEs · Mathematics 2021-02-09 Alberto Cabada , Gennaro Infante

We introduce the concept of fractional derivative of Riemann-Liouville on time scales. Fundamental properties of the new operator are proved, as well as an existence and uniqueness result for a fractional initial value problem on an…

Classical Analysis and ODEs · Mathematics 2015-12-24 Nadia Benkhettou , Ahmed Hammoudi , Delfim F. M. Torres

We study singular solutions to the fractional Laplace equation and, more generally, to nonlocal linear equations with measurable kernels. We establish B\^ocher type results that characterize the behavior of singular solutions near the…

Analysis of PDEs · Mathematics 2025-07-16 Minhyun Kim , Se-Chan Lee

This article contains a new discussion for the generalized fractional Cauchy-type problem involving Hilfer-Katugampola-type fractional derivative. We study an existence and continuation of its solution. Firstly, we establish a new theorems…

Analysis of PDEs · Mathematics 2020-02-11 Ahmad Y. A. Salamooni , D. D. Pawar

This paper is devoted to study the existence and uniqueness of solutions of a one parameter family of nonlinear fractional differential equation with mixed boundary value conditions. Riemann-Liouville fractional derivative is considered. An…

Classical Analysis and ODEs · Mathematics 2019-11-11 Alberto Cabada , Wanassi Om Kalthoum

In this paper, we show some results about the existence and the uniqueness of the positive solution for a $p$-Laplacian fractional differential equations with fractional derivative boundary condition. Our results are based on…

Classical Analysis and ODEs · Mathematics 2019-08-13 Faouzi Haddouchi
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