Uniqueness of positive solutions of a class of ODE with nonlinear boundary conditions

We study the uniqueness of positive solutions of the boundary value problem u ￠ € 3+a(t)u ￠ € 2+f(u)=0, t ￠ (0,b), B1(u(0)) ￠ ’u ￠ € 2(0)=0, B2(u(b))+u ￠ € 2(b)=0, where 0 Keywords