TY - JOUR AU - Campoamor Stursberg, Otto-Rudwig PY - 2004 SN - 0305-4470 UR - https://hdl.handle.net/20.500.14352/50703 T2 - Journal of physics A: Mathematical and general AB - The structure of the invariants of perfect Lie algebras with nontrivial centre is analysed. It is shown that if the radical r of a semidirect sum s −→⊕Rr of a semisimple and a nilpotent Lie algebra has a one-dimensional centre, thenthe defining... LA - eng M2 - 3627 PB - IOP Publishing TI - The structure of the invariants of perfect Lie algebras II TY - journal article VL - 37 ER -