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The nonlinear singularly perturbed problems for elliptic equations with boundary perturbation are considered. Under suitable conditions, by using the theory of differential inequalities the asymptotic behavior of solutions for the boundary value problems is studied. 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