TY - JOUR AU - Campoamor Stursberg, Otto-Rudwig DO - 10.1088/1742-6596/1612/1/012006 SN - 1742-6588 UR - https://hdl.handle.net/20.500.14352/65300 T2 - Journal of Physics Conference Series AB - Contractions of simple Lie algebras onto semidirect sums are analyzed in the context of the method of virtual copies, and various existence conditions are obtained in terms of the branching rules of representations and the properties of the... LA - eng M2 - 012006 PB - IOP Publishing Ltd TI - The method of virtual copies and contractions of simple Lie algebras TY - journal article VL - 1612 ER -