Rosenbaum, M.; Vergara, J.D.; Juarez, L.R.
(Symmetry, Integrability and Geometry: Methods and Applications, 2008)
In previous work [Rosenbaum M. et al., J. Phys. A: Math. Theor. 40 (2007), 10367–10382] we have shown how for canonical parametrized field theories, where space-time is placed on the same footing as the other fields in the ...