Applied Mathematics and Mechanics (English Edition) ›› 1998, Vol. 19 ›› Issue (9): 889-894.
黄文华1, 曹菊生1, 沈祖和2
Huang Wenhua1, Cao Jusheng1, Shen Zuhe2
摘要: In this paper, a non-variational version of a max-min principle is proposed, andan existence and uniqueness result is obtained for the nonlinear two-point boundaryvalue problenl u"+g(t.u)=f(t),u(0)=u(2π)=0