title: Optimal prediction and the Klein-Gordon equation.
abstract: The method of optimal prediction is applied to calculate the future means of solutions to the Klein-Gordon equation. It is shown that, in an appropriate probability space, the difference between the average of all solutions that satisfy certain constraints at time t = 0 and the average computed by an approximate method is small with high probability.
authors.affiliation: Department of Mathematics, University of California, Berkeley, CA 94720-3840, USA.
authors.forename: O H
authors.initials: OH
authors.lastname: Hald