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

In this article, a numerical solution is proposed for singularly perturbed delay parabolic
reaction‐diffusion problem with mixed‐type boundary conditions. The problem is discretized …

The motive of this work is to develop ε-uniform numerical method for solving singularly
perturbed parabolic delay differential equation with small delay. To approximate the term …

In this manuscript, we develop and analyze two high‐order schemes, CFD g− σ _ g-σ and
PQS g− σ _ g-σ, for generalized variable coefficients fractional reaction–diffusion equations …

This work presents a numerical solution to singularly perturbed Robin-type parabolic
convection–diffusion problems. A hybrid method that combines the central difference …

A class of singularly perturbed parabolic partial differential equations with a large delay and
an integral boundary condition is studied. The problem's solution features a weak interior …

Objectives Numerical treatment of singularly perturbed parabolic delay differential equation
is considered. Solution of the equation exhibits a boundary layer, which makes it difficult for …

In this paper, a parameter-uniform convergent numerical scheme is provided for solving
singularly perturbed parabolic convection-diffusion differential equations with a large delay …

In this study, we focus on the formulation and analysis of an exponentially fitted numerical
scheme by decomposing the domain into subdomains to solve singularly perturbed …

This paper deals with the study of a higher‐order numerical approximation for a class of
singularly perturbed convection‐diffusion problems with time delay. The method combines a …