This review paper contains computational methods or solution methodologies for singularly
perturbed differential difference equations with negative and/or positive shifts in a spatial …

The purpose of this work is to provide robust numerical scheme for singularly perturbed time
delay (large) convection-reaction-diffusion problem with two small parameters. The work …

Purpose The purpose of this work is to introduce an efficient, global second-order accurate
and parameter-uniform numerical approximation for singularly perturbed parabolic …

In this paper, we present a wavelet collocation method for efficiently solving singularly
perturbed differential–difference equations (SPDDEs) and one-parameter singularly …

In this study, a parameter-uniform numerical scheme is built and analyzed to treat a
singularly perturbed parabolic differential equation involving large spatial delay. The …

In this article, a singularly perturbed convection‐diffusion problem with a small time lag is
examined. Because of the appearance of a small perturbation parameter, a boundary layer …

This article deals with an effcient approximation method named successive complementary
expansion method (SCEM) for solving singularly perturbed differential-difference equations …

An exponentially fitted method is proposed on uniform mesh for the numerical treatment of a
boundary-value problem for the singularly perturbed differential–difference equations of …

This article proposes a parameter uniform numerical method for solving a singularly
perturbed delay parabolic initial boundary-value problem involving mixed space shifts. The …

This paper presents the study of singularly perturbed differential‐difference equations of
delay and advance parameters. The proposed numerical scheme is a fitted fourth‐order …