We establish sufficient conditions for the existence and uniqueness of solutions for a class of
nonlinear fractional integrodifferential equations with boundary conditions involving ψ ψ …

This paper is devoted to studying the ϱ-Hilfer fractional snap dynamic system under the ϱ-
Riemann–Liouville fractional integral conditions on unbounded domains [a,∞), a≥ 0, for the …

In this work, we reformulate and investigate the well-known pantograph differential equation
by applying newly-defined conformable operators in both Caputo and Riemann–Liouville …

In this paper, we study the existence of solutions for hybrid fractional differential equations
involving fractional Caputo derivative of order 1< α≤ 2 1<α≦2. Our results rely on a hybrid …

This paper aims to extend the Caputo–Atangana–Baleanu (ABC) and Riemann–Atangana–
Baleanu (ABR) fractional derivatives with respect to another function, from fractional order …

In this work, the existence of solutions for nonlinear hybrid fractional integro-differential
equations involving generalized proportional fractional (GPF) derivative of Caputo-Liouville …

In this paper, we study a Cauchy-type problem for Hilfer fractional integrodifferential
equations with boundary conditions. The existence of solutions for the given problem is …

In this paper, we investigate a multi-order $\varrho $-Hilfer fractional pantograph implicit
differential equation on unbounded domains $(a,\infty), a\geq 0$. The existence and …

The present paper addresses, generalized fractional Sturm-Liouville and Langevin
equations with nonlocal conditions. Sufficient conditions of the existence and uniqueness for …

The purpose of this paper is to study nonlinear fractional integro-differential equations of
higher order in Banach spaces. Sufficient conditions for existence of positive solutions are …