35 citations · 336 across the 73 of their papers we have counts for
5 papers · 1 filter
Quasi-classical Lie algebras and their contractions
R. Campoamor-Stursberg
After classifying indecomposable quasi-classical Lie algebras in low dimension, and showing the existence of non-reductive stable quasi-classical Lie algebras, we focus on the prob…
A comment concerning cohomology and invariants of Lie algebras with respect to contractions and deformations
R. Campoamor-Stursberg
Contrary to the expected behavior, we show the existence of non-invertible deformations of Lie algebras which can generate invariants for the coadjoint representation, as well as d…
Invariants of nine dimensional real Lie algebras with nontrivial Levi decomposition
R. Campoamor-Stursberg
The generalized Casimir invariants of real indecomposable Lie algebras admitting a nontrivial Levi decomposition are determined.
Algebraically rigid real solvable Lie algebras
J. M. Ancochea bermudez, R. Campoamor-Stursberg, M. Goze +1
We present all real solvable algebraically rigid Lie algebras of dimension . The difference between the classification of complex and real rigid Lie algebras is analyzed.
Application of the Gel'fand Matrix Method to the Missing Label Problem in Classical Kinematical Lie Algebras
Rutwig Campoamor-Stursberg
We briefly review a matrix based method to compute the Casimir operators of Lie algebras, mainly certain type of contractions of simple Lie algebras. The versatility of the method…