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Rigidity-preserving and cohomology-decreasing extensions of solvable rigid Lie algebras |
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| Authors: | J M Ancochea Bermúdez |
| Institution: | Dpto de Geometría y Topología, Fac. CC. Matemáticas, Instituto de Matemática Interdisciplinar, Universidad Complutense de Madrid, Madrid, Spain. |
| Abstract: | |
| Keywords: | Lie algebra rigidity Chevalley cohomology solvable extension quadratic Rim map |