本文证明了关于对称泛函临界点的一个定理并用以研究非线性椭园型偏微分方程的多重解。

In this paper we prove a theorem for the critical points of symmetric functionals through which we research the multiple solutions of nonlinear elliptic PDE.

youdao

用临界点理论中的极小极大方法得到了次线性椭圆方程Neumann问题多重解的存在性。

The existence of multiple solutions is obtained for Neumann problem of sublinear elliptic equations by the minimax methods in the critical point theory.

youdao