2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54165A canonical formalism for higher-derivative theories is presented on the basis of Dirac's method for constrained systems. It is shown that this formalism shares a path integral expression with Ostrogradski's canonical formalism.7 pages, LaTex.High Energy Physics - TheoryHigher Derivatives and Canonical Formalismtext