Some hyperbolic PDE’s from a geometric point of view. (English) Zbl 1120.35310
Summary: We prove the uniqueness for the solutions of some hyperbolic boundary problems by means of conversation property of the energy-momentum tensor associated with a Lagrangian.
MSC:
35L65 | Hyperbolic conservation laws |
35L20 | Initial-boundary value problems for second-order hyperbolic equations |