Shagi-Di Shih

Asymptotic anaylsis of a singular perturbation problem

We study, in a rectangle

On a class of singularly perturbed parabolic equations

0 < x < a

Internal layers of a transient convection-diffusion problem by perturbation methods☆

and

Equivalence of \(n\)-point Gauss–Chebyshev rule and \(4n\)-point midpoint rule in computing the period of a Lotka–Volterra system

0 < y < b

The Lyapunov exponents of the Van der Pol oscillator

, the Dirichlet problem for an elliptic differential equation of the form \[ - \epsilon \Delta u\epsilon + p\frac{{\partial u\epsilon }}{{\partial x}} + qu\epsilon = f(x,y)\] where

THE PERIOD OF A LOTKA-VOLTERRA SYSTEM1

\epsilon

ON PERIODIC ORBITS OF RELAXATION OSCILLATIONS

is a small parameter

A POWER SERIES IN SMALL ENERGY FOR THE PERIOD OF THE LOTKA-VOLTERRA SYSTEM

0 < \epsilon \ll 1

A parabolic singular perturbation problem with an internal layer

,

COMPUTATION OF THE RELAXATION OSCILLATION PERIOD IN LOTKA‐VOLTERRA SYSTEMS

\Delta