This paper deals with superlinear fourth-order elliptic problem under Navier boundary condition. By using the mountain pass theorem and suitable truncation, a multiplicity result is established for all λ〉 0 and some...This paper deals with superlinear fourth-order elliptic problem under Navier boundary condition. By using the mountain pass theorem and suitable truncation, a multiplicity result is established for all λ〉 0 and some previous result is extended.展开更多
In this paper, we study the exact controllability of the nonlinear controlsystems. The controllability results by using the monotone operator theory are es-tablished. No compactness assumptions are imposed in the main...In this paper, we study the exact controllability of the nonlinear controlsystems. The controllability results by using the monotone operator theory are es-tablished. No compactness assumptions are imposed in the main results.展开更多
基金The 985 Program of Jilin Universitythe Science Research Foundation for Excellent Young Teachers of College of Mathematics at Jilin University
文摘This paper deals with superlinear fourth-order elliptic problem under Navier boundary condition. By using the mountain pass theorem and suitable truncation, a multiplicity result is established for all λ〉 0 and some previous result is extended.
文摘In this paper, we study the exact controllability of the nonlinear controlsystems. The controllability results by using the monotone operator theory are es-tablished. No compactness assumptions are imposed in the main results.