AN APPLICATION OF CRITICAL POINT THEORY TO THE NONLINEAR HYPERBOLIC SYSTEM

초록

We investigate the uniqueness and multiple nontrivial solutions $u(x,t)$ for perturbations $\mu [(u+v+1{)}^{+}-1]$, $\nu [(u+v+1{)}^{+}-1]$ of the hyperbolic system with Dirichlet boundary condition.