Some Results from Scattering Theory.- Bound States Eigenfunction Expansions.- The Gel'fand-Levitan-Jost-Kohn Method.- Applications of Gel'fand - Levitan Equation.- The Marchenko Method.- Examples.- Special Classes of Potentials.- Nonlocal Separable Interactions.- Miscellaneous Approaches to the Inverse Problems at Fixed l.- Scattering Amplitudes from Elastic Cross Sections.- Potentials from the Scattering Amplitude at Fixed Energy: General Equation and Mathematical Tools.- Potentials from the Scattering Amplitude at Fixed Energy: Matrix Methods.- Potentials from the Scattering Amplitude at Fixed Energy: Operator Methods.- The Three-Dimensional Inverse Problem.- Miscellaneous Approaches to Inverse Problems at Fixed Energy.- Approximate Methods.- Inverse Problems in One Dimension.
