In this paper, we deal with nonlinear iterative integro-functional differential equations
(IIFDEs) of first order. We study the uniqueness of solutions and Ulam stabilities regarding …

In this research, two systems of nonlinear Volterra integral equation and Volterra integro‐
differential equation were considered. New results in sense of Ulam stabilities in relation to …

The research article concerned with develo** the qualitative theory for nonlinear fractional
functional differential equations (FFDEs) of arbitrary order with infinite delay involving …

Full article: Ulam–Hyers–Rassias stability of neutral stochastic functional differential
equations Skip to Main Content Taylor and Francis Online homepage Browse Search …

In this paper, we investigate the existence and Ulam–Hyers–Rassias stability results for a
class of functional integrodifferential evolution equations with state-dependent delay and …

In this study, an initial-value problem for a nonlinear Volterra functional integro-differential
equation on a finite interval was considered. The nonlinear term in the equation contains …

In this manuscript, we employ integrated resolvent operator to derive the variation of
constants formula for the solution of the impulsive integro-differential system, in nonlocal …

This paper discusses different types of Ulam stability of first-order nonlinear Volterra delay
integro-differential equations with impulses. Such types of equations allow the presence of …

This paper presents a new iterative algorithm for approximating the fixed points of
multivalued generalized α-nonexpansive map**s. We study the stability result of our new …

This paper is devoted to investigating the existence and uniqueness of solutions, as well as
Mittag–Leffler–Ulam stabilities for nonlinear variable fractional-order differential equations …