In this article, we study a coupled system of impulsive boundary value problems for
nonlinear fractional order differential equations. We obtain sufficient conditions for existence …

By using the fixed point theory in cone and constructing some available integral operators
together with approximating technique, the existence of positive solution for a singular …

In the this paper, we establish sufficient conditions for the existence and nonexistence of
positive solutions to a general class of integral boundary value problems for a coupled …

In this paper, we study a coupled system of implicit impulsive boundary value problems
(IBVPs) of fractional differential equations (FODEs). We use the Schaefer fixed point and …

Our aim in this paper is to develop a Legendre-Jacobi collocation approach for a nonlinear
system of two-point boundary value problems with derivative orders at most two on the …

In this manuscript, we deal with a class and coupled system of implicit fractional differential
equations, having some initial and impulsive conditions. Existence and uniqueness results …

This paper is concerned with the existence and uniqueness of solutions for a sequential
fractional differential system with coupled boundary conditions. The existence of solutions is …

In this paper, we study the existence and uniqueness of positive solutions for a class of
singular fractional differential systems with coupled integral boundary conditions. By using …

The purpose of this paper, is studying the existence and nonexistence of positive solutions
to a class of a following tripled system of fractional differential equations.\begin …

We study the existence, uniqueness, and various kinds of Ulam–Hyers stability of the
solutions to a nonlinear implicit type dynamical problem of impulsive fractional differential …