Fardigola, L.V.
(Журнал математической физики, анализа, геометрии, 2015)
The 2-d wave equation wtt = Δw, t belongs (0, T), on the half-plane x1 > 0 controlled by the Neumann boundary condition wx1(0, x2, t) = δ(x2)u(t) is considered in Sobolev spaces, where T > 0 is a constant and u L∞(0, T) ...