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本文研究一类广义非线性反应扩散方程奇摄动初始边值问题.首先,构造非线性问题的外部解.其次,利用局部坐标系和伸长变量得到激波层和边界层校正项.最后,利用不动点理论研究了非线性反应扩散方程初始边值问题广义解的渐近性态. 相似文献
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This paper reports on the canard phenomenon occurring in a
rheodynamic model of cardiac pressure pulsations. By singular
perturbation techniques the corresponding parameter value at which
canards exist is obtained. The physiological significance of canards
in this model is given. 相似文献
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Homotopic mapping method of solitary wave solutions for generalized complex Burgers equation 下载免费PDF全文
A class of generalized complex Burgers equation is considered. First, a set of equations of the complex value functions are solved by using the homotopic mapping method. The approximate solution for the original generalized complex Burgers equation is obtained. This method can find the approximation of arbitrary order of precision simply and reliably. 相似文献
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