内容

目次

Introduction; 1. Local symplectic geometry; 2. The WKB-method; 3. TheWKB-method for a potential minimum; 4. Self-adjoint operators; 5. The methodof stationary phase; 6. Tunnel effect and interaction matrix; 7.h-pseudodifferential operators; 8. Functional calculus for pseudodifferentialoperators; 9. Trace class operators and applications of the functionalcalculus; 10. More precise spectral asymptotics for non-criticalHamiltonians; 11. Improvement when the periodic trajectories form a set ofmeasure 0; 12. A more general study of the trace; 13. Spectral theory forperturbed periodic problems; 14. Normal forms for some scalarpseudodifferential operators; 15. Spectrum of operators with periodicbicharacteristics; References; Index; Index of notation.