Monotone iterations for differential equations with a parameter
Tadeusz Jankowski1and V. Lakshmikantham2
Received01 Feb 1997
Revised01 Jun 1997
Abstract
Consider the problem
{y′(t)=f(t,y(t),λ),t∈J=[0,b],y(0)=k0,G(y,λ)=0..
Employing the method of upper and lower solutions and the monotone
iterative technique, existence of extremal solutions for the above equation
are proved.