2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/216199We show that all W-gravity actions can be easilly constructed and understood from the point of view of the Hamiltonian formalism for the constrained systems. This formalism also gives a method of constructing gauge invariant actions for arbitrary conformally extended algebras.9 pagesHigh Energy Physics - Theorytext