2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27969A diagram approach to classical nonlinear stochastic field theory is introduced. This approach is intended to serve as a link between quantum and classical field theories, resulting in an independent constructive characterisation of the measure in Feynman path integrals in terms of stochastic differential equations for the paths.A draft version; 20 pages. Comments welcome to l.plimak@auckland.ac.nzStatistical Mechanicstext