# Existence and Stability of the Solution to a Coupled System of Fractional-order Differential with a $p$-Laplacian Operator under Boundary Conditions

## Keywords:

topological degree theorem, Hyers-Ulam stability, Caputo's fractional derivative; existence and uniqueness; coupled system of FDEs

## Abstract

This paper is devoted to studying the uniqueness and existence of the solution to a nonlinear coupled system of (FODEs) with p-Laplacian operator under integral boundary conditions (IBCs). Our problem is based on Caputo fractional derivative of orders $\sigma,\lambda$, where $k-1\leq\sigma,\lambda<k, k\geq3$. For these aims, the nonlinear coupled system will be converted into an equivalent integral equations system by the help of Green function. After that, we use Leray-Schauder's and topological degree theorems to prove the existence and uniqueness of the solution. Further, we study certain conditions for the Hyers-Ulam stability of the solution to the suggested problem. We give a suitable and illustrative example as an application of the results.

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2021-05-01

## How to Cite

Alsadi, W. A. (2021). Existence and Stability of the Solution to a Coupled System of Fractional-order Differential with a $p$-Laplacian Operator under Boundary Conditions. Tamkang Journal of Mathematics, 53(1), 37-58. https://doi.org/10.5556/j.tkjm.53.2022.3335

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