二阶非线性微分方程的单调解

Monotone Solutions of a Class of Second Order Nonlinear Differential Equations

本文讨论了一类二阶非线性常微分方程的单调解，给出了方程存在Ｂ类解的充要条件，部分地回答了Ｍａｒｉｎｉ在ＮｏｎｌｉｎｅａｒＡｎａｌｙｓｉｓ上提出的两个问题．

In this paper,we study the monotone solutions of the second order nonlinear differential Equation and give a necessary and sufficient condition under which every solution of class B tends to zero.