|
|||||
|
|
Sign-changing saddle point |
|
| Authors: | Wenming Zou |
| Institution: | Department of Mathematical Sciences, Tsinghua University, Beijing 100084, China |
| Abstract: | In this paper, the Saddle-point theorems are generalized to a new version by showing that there exists a “sign-changing” saddle point besides zero. The abstract result is applied to the semilinear elliptic boundary value problem |
| Keywords: | primary 35J20 35J25 58E05 |
| 本文献已被 ScienceDirect 等数据库收录！ | |