TY - JOUR AU - Campoamor Stursberg, Otto-Rudwig PY - 2008 DO - 10.1088/1742-6596/128/1/012052 SN - 1742-6588 UR - https://hdl.handle.net/20.500.14352/52865 T2 - Journal of Physics: Conference Series AB - We show that the Inönü-Wigner contraction naturally associated to a reduction chain s ⊃ s' of semisimple Lie algebras induces a decomposition of the Casimir operators into homogeneous polynomials, the terms of which can be used to obtain additional... LA - eng M2 - 012052 PB - IOP Publishing Ltd TI - Obtainment of internal labelling operators as broken Casimir operators by means of contractions related to reduction chains in semisimple Lie algebras TY - journal article VL - 128 ER -