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We study a new Jerk equation involving three fractional derivatives and anti periodic conditions. By Banach contraction principle, we present an existence and uniqueness result for the considered problem. Utilizing Krasnoselskii fixed point theorem we prove another existence result governing at least one solution. We provide an illustrative example to claim our established results. At the end, an approximation for Caputo derivative is proposed and some chaotic behaviours are discussed by means of the Runge Kutta 4th order method. [ABSTRACT FROM AUTHOR]

In this paper, using Riemann-Liouville integral and Caputo derivative, we study an n-dimensional coupled system of nonlinear fractional integro-differential equations of hight arbitrary order. The contraction mapping principle and Schaefer fixed point theorem are applied to prove the existence and the uniqueness of solutions in Banach spaces. Furthermore, we derive the Ulam-Hyers and the generalized Ulam-Hyers stabilities of solutions. Some illustrative examples are also presented. [ABSTRACT FROM AUTHOR]

In this paper, using the Caputo fractional derivative approach, we present new results on the existence and uniqueness of solutions to n–dimensional nonlinear coupled systems for differential equations. We also discuss some examples to illustrate the main results. [ABSTRACT FROM AUTHOR]