Nonexistence and radial symmetry of positive solutions of semilinear elliptic systems.
Nonexistence of entire positive solution for a conformal -Hessian inequality
In this paper, we study the nonexistence of entire positive solution for a conformal -Hessian inequality in via the method of proof by contradiction.
Nonexistence of positive solution for quasilinear elliptic problems in the half-space.
Nonexistence of radial positive solutions for a nonpositone problem.
Nonlinear boundary value problems involving the extrinsic mean curvature operator
The paper surveys recent results obtained for the existence and multiplicity of radial solutions of Dirichlet problems of the type