1. and Simulated Annealing and Boltzmann Machines, Wiley, New York, 1989.
2. and Eds. Global Minimization of Nonconvex Energy Functions: Molecular Conformation and Protein Folding, American Mathematical Society, Providence, RI, 1996.
3. (personal communication): incidentally, a similar approximation gives the correct long-time survival probability of the random walk in first passage time problems.
4. On the multiple-minima problem in the conformational analysis of molecules: deformation of the potential energy hypersurface by the diffusion equation method