653 71 22MB
English Pages [372] Year 1998
Table of contents :
Content: 1. The Feynman-Kac Formula and Semigroups.- 2. Some Potential Theory.- 3. Some Principal Eigenvalue Estimates.- 4. The Method of Enlargement of Obstacles.- 5. Lyapunov Exponents.- 6. Quenched Path Measure and Pinning Effect.- 7. Overview, further Results and Problems.- References.