Contraction Semigroups and Power Bounded Operators. The Cauchy Problem for the Wave Equation. Scattering Theory for Symmetric Systems with Dissipative Boundary Conditions. Disappearing Solutions for Symmetric Systems. Wave Equation with Time-Dependent Potential. Inverse Scattering Problem for Time-Dependent Potentials. Wave Equation in the Exterior of a Moving Obstacle. Leading Singularity of the Scattering Kernel. Appendices. References. Index.
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