RT Journal Article T1 Field theories: reduction, constraints and variational integrators A1 Castrillón López, Marco AB The goal of this short note is to show the constrained nature of the set of variations and the set of admissible sections of the Euler-Poincare reduction scheme for field theories in both the continuous formalism and in a discrete model PB Real Academia Ciencias Exactas Físicas Y Naturales SN 1578-7303 YR 2012 FD 2012 LK https://hdl.handle.net/20.500.14352/43820 UL https://hdl.handle.net/20.500.14352/43820 DS Docta Complutense RD 9 abr 2025