%0 Journal Article %A Campoamor Stursberg, Otto-Rudwig %T Invariants of solvable rigid Lie algebras up to dimension 8 %D 2002 %@ 0305-4470 %U https://hdl.handle.net/20.500.14352/58589 %X The invariants of all complex solvable rigid Lie algebras up to dimension eight are computed. Moreover we show, for rank one solvable algebras, some criteria to deduce to non-existence of non-trivial invariants or the existence of fundamental sets of invariants formed by rational functions of the Casimir invariants of the associated nilradical. %~