General Letters in Mathematics

Related Articles ( differential equations )

On the Study of Nonlinear Fractional Differential Equations on Unbounded Interval

Ahmed Hallaci , Hamid Boulares , Muhammet Kurulay

By the means of the variation of constants formula and some analytical skills, we use Banach contraction principle to investigate in this paper an uniqueness and existence of unbounded solution for nonlinear differential equations of fractional orders in weighted Banach space. At last, we present an illustrative ...

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An Accurate Approximate Solutions of Multipoint Boundary Value Problems

N. R Anakira , M. M. Al-Shorman , A. F. Jameel

The main objective of this paper is to obtain a new accurate approximate solutions for a kind of ordinary differential equations called multipoint boundary value problems by using simple modification of optimal homotopy asymptotic method (OHAM). This procedure is a well-performance for calculating a better ...

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A comparison between applications of the Lyapunov’s second (direct) method and fixed point theory

Sadeq Taha Abdulazeez , Sizar Abid Mohammed , Mehmut MODANLI

Inthisarticle,wewilldiscusstheapplicationoftheLyapunov’ssecondmethodandfixedpointtheoriestocertaindifferential equations of first and second order. First, we will introduce some basic information about these subjects, and later, we give their applications concerning some specific attitude of Solutions ...

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Homotopy Sumudu Transformation Method for Solving Fractional Delay Differential Equations

N. R. Anakira , H. Abdelkarim , M. Abu-Dawas

In this article, A new accurate approximate solution for a nonlinear fractional delay differential equations are obtained using an effective algorithm so called homotopy analysis sumudu transformation method (HASTM). Some examples have been solved to demonstrate the methodology of this procedure. The ...

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Periodic solutions for nonlinear systems of multiple integro-integral differential equations of (V F) and (F V) type with isolated singular kernels

Raad N. Butris , Hewa Selman Faris

In this paper, the numerical-analytic method has been used to study the existence and approximation of the periodic solutions for the vector T-system of new nonlinear multiple integro-differential equations of mixed (Volterra-Fredholm) and (Fredholm-Volterra) types. Our main task provided sufficient ...

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Existence and Ulam stability of solutions for Caputo-Hadamard fractional differential equations

Abduljawad K. Anwar , Shayma Adil Murad

In this paper, we study the existence of solutions for fractional differential equations with the Caputo-Hadamard fractional derivative of order 2 (1, 2]. The uniqueness result is proved via Banach’s contraction mapping principle and the existence results are established by using the Schauder’s ...

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Stability for Pantograph Fractional Differential Equations

Hamid Boulares

In this manuscript, we studied some sufficient condition for the asymptotically stable of the zero solution of pantograph Caputo fractional differential equations of order (1 < < 2). In a weighted Banach space, we used Krasnoselskii’s fixed point theorem to derive new reIn this manuscript, ...

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Existence Solutions For Sequential ψ-Caputo Fractional Differential Equations

Hamid Boulares , Khaireddine Fernane

In this manuscript, we presented the technique of having solutions to sequential ψ-Caputo fractional differential equations (ψ-CFDE) with fractional boundary conditions (ψ-FBCs). Well-known fixed point techniques are used to analyze the existence of the problem. In particular, the principle ...

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Double SEJI Integral Transform and its Applications of Solution Integral Differential Equations

Jinan A. Jasim , Sadiq A. Mehdi , Emad A. Kuffi

The aim of this paper is to establish an efficient of a new transform called double SEJI integral transform to solve integral differential equations. Some important properties are proved by this suggested transform with theorem for the partial fractional Caputo derivatives. Finally, we use them to solve ...

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Double SEJI Integral Transform and its Applications to Differential Equations

Jinan A. Jasim , Sadiq A. Mehdi , Emad A. Kuffi

In this paper, a novel concept for a double transform in two dimensions known as the double SEJI integral transform has been proposed. Its key characteristics, including a few of its properties and theorems, have been established. A few well-known functions were also available in the Double SEJI integral ...

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