| Volume 10, Number 4, 2020, Pages 1666-1682 DOI：10.11948/20190337 |
| Internal layers for a quasi--linear singularly perturbed delay differential equation |
| Tao Feng,Mingkang Ni |
| Keywords:Delay, internal layers, boundary layer functions, contrast structures, asymptotic expansion. |
| Abstract: |
| The current paper is mainly concerned with the internal layers for a quasi--linear singularly perturbed differential equation with time delays. By using the method of boundary layer functions and the theory of contrast structures, the existence of a uniformly valid smooth solution is proved, and the asymptotic expansion is constructed. As an application, a concrete example is presented to demonstrate the effectiveness of our result. |
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