This manuscript investigates the existence, uniqueness, and different forms of Ulam stability
for a system of three coupled differential equations involving the Riemann–Liouville (RL) …

The prime objective of the current study is to propose a novel mathematical framework under
the fractional-order derivative, which describes the complex within-host behavior of SARS …

This research paper intends to study some qualitative analyses for a nonlinear fractional
integrodifferential equation with a variable order in the frame of a Mittag‐Leffler power law …

In this study, we examine the existence and Hyers–Ulam stability of a coupled system of
generalized Liouville–Caputo fractional order differential equations with integral boundary …

In this manuscript, we examine both the existence and the stability of solutions to the
boundary value problem of Caputo fractional differential equations of variable order by …

Using the Schauder fixed point theorem, we prove the existence of impulsive fractional
differential equations using Hilfer fractional derivative and nearly sectorial operators in this …

This article primarily focuses on the single-valued and multi-valued cases of the class of
nonlinear Caputo two-term fractional differential equation with three-point integral boundary …

This Special Issue aims to collect new perspectives on the trends in both theory and
applications of stability of fractional order continuous and discrete systems, analytical and …

This paper investigates existence, uniqueness, and Ulam's stability results for a nonlinear
implicit ψ-Hilfer FBVP describing Navier model with NIBC s. By Banach's fixed point …

We are interested in this memory in nonlinear differential equations, this type of equations
describes many phenomena. The objective of this memory is to study the approximate …