Feynman's Path Integrals as Evolutionary Semigroups

David W. Dreisigmeyer, Peter M. Young

We show that, for a class of systems described by a Lagrangian L(x,\dot{x},t) = 1/2\dot{x}^{2} - V(x,t) the propagator can be reduced via Noether's Theorem to a standard path integ…