Título: | A comment concerning cohomology and invariants of Lie algebras with respect to contractions and deformations |
Autores: | Campoamor Stursberg, Otto Ruttwig |
Tipo de documento: | texto impreso |
Editorial: | Elsevier, 2007 |
Dimensiones: | application/pdf |
Nota general: | info:eu-repo/semantics/openAccess |
Idiomas: | |
Palabras clave: | Estado = Publicado , Materia = Ciencias: Matemáticas: Álgebra , Tipo = Artículo |
Resumen: |
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 delete cohomology with values in the trivial or adjoint module. A criterion to decide whether a given deformation is invertible or not is given in dependence of the Poincaré polynomial. |
En línea: | https://eprints.ucm.es/id/eprint/21618/1/Campoamor-A_comment.pdf |
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