boundary value problem;
upper and lower solutions;
singular;
existence;
D O I:
暂无
中图分类号:
TP301 [理论、方法];
学科分类号:
081202 ;
摘要:
An upper and lower solution theory is presented for the Dirichlet boundary value problem y '' + f (t, y, y') = 0, 0 < t < 1 with y(0) = y(1) = 0. Our nonlinearity may be singular in its dependent variable and is allowed to change sign.