二阶中立型逐段常变量微分方程概周期解的存在性

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Published in Science in China Series A-Mathematics (in Chinese) • Oct 1, 1997

Authors:

荣袁

Abstract

通过构造差分方程的概周期序列解,研究了二阶中立型逐段常变量微分方程 d2/dt2(x(t)+px(t-1))=qx(2[t+1/2])+g(t,x(t),x([t]))概周期解的存在性.

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