TY - CHAP AU - Ancochea Bermúdez, José María AU - Campoamor Stursberg, Otto-Rudwig AU - García Vergnolle, Lucía PY - 2012 SN - 978-84-695-4421-1 UR - https://hdl.handle.net/20.500.14352/45356 AB - For the only quasi-filiform Lie algebra L5,3 admitting a Levi factor in its Lie algebra of derivations, the extensions by derivations are classified over C and R. Moreover, the invariants of these extensions are computed. LA - eng M2 - 1 PB - Universidad Complutense de Madrid KW - Derivation algebra KW - Semi-direct product KW - Solvable Lie algebra TI - Lie algebras obtained as extensions by derivations of the nilpotent algebra L5,3 TY - book part ER -