Includes bibliographical references (pages 170-177) and index.
1. Introduction -- 2. Brownian motion and Ito calculus -- 3. Open quantum systems -- 4. Quantum state diffusion -- 5. Localization -- 6. Numerical methods and examples -- 7. Quantum foundations -- 8. Primary state diffusion -- PSD -- 9. Classical dynamics of quantum localization -- 10. Semiclassical theory and linear dynamics.