RT Journal Article T1 Rigid body with rotors and reduction by stages A1 Berbel López, Miguel Ángel A1 Castrillón López, Marco AB Rigid body with rotors is a widespread mechanical system modeled after the direct product SO(3)×S 1×S 1×S 1, which under mild assumptions is the symmetry group of the system. In this paper, the authors present and compare different Lagrangian reduction procedures: Euler-Poincaré reduction by the whole group and reduction by stages in different orders or using different connections. The exposition keeps track of the equivalence of equations as well as corresponding conservation laws. PB World Scientific Publishing SN 0129-055X YR 2022 FD 2022 LK https://hdl.handle.net/20.500.14352/71697 UL https://hdl.handle.net/20.500.14352/71697 LA eng NO Berbel López, M. Á. & Catrillón López, M. «Rigid Body with Rotors and Reduction by Stages». Reviews in Mathematical Physics, vol. 35, n.o 01, febrero de 2023, p. 2230006. DOI.org (Crossref), https://doi.org/10.1142/S0129055X22300060. NO Ministerio de Ciencia, Innovación y Universidades (España) NO Junta de Castilla y León DS Docta Complutense RD 18 abr 2025