Title: Thirteenth Annual Southern California Probability Symposium Date: Sunday, December 12, 1982 Host: UCI Organizer: Abel Klein Program: 1O:0O-10:3O AM Coffee 10:30-11:15 AM Thomas Liggett (UCLA) A comparison theorem for reversible Markov chains - with applications to particle systems 11:2O-12:05 PM Ross Pinsky (UCLA) Large deviations for Markov processes 12:3O-2:00 PM Lunch 2:00-2:45 PM Joseph Glover (U. Florida) Balayage and time changes of Markov processes 2:55-3:40 PM Martin Jacobsen (U. Copenhagen) Characterizations of co-optional times 3:45-4:15 PM Coffee 4:15-5:15 PM Mark Kac (USC) Some analytic aspects of function space integration