Département de Mathématiques, Faculté des Sciences et Techniques, Université Cheikh Anta DIOP Dakar - Sénégal. E-mail: abdousen@ucad.sn
AMS (2000) Subject Classification: 93D15, 93B05, 93C20.
The exact boundary controllability for the semilinear wave equation with Dirichlet boundary conditions is studied. Using norms estimations, we derive by Hilbert uniqueness method and fixed point theorem a boundary control regular enough for the variable of space.