COHOMOLOGY OF SOME FAMILIES OF LIE ALGEBRAS AND QUADRATIC LIE ALGEBRAS

Vu Le Anh

Abstract


The paper studies the cohomology of Lie algebras and quadratic Lie algebras. Firstly, we propose to describe the cohomology of MD(n, 1)-class which was introduced in [5]. This class contains Heisenberg Lie algebras. In 1983, L. J. Santharoubane [11] computed the cohomology of Heisenberg Lie algebras. In this paper, we will completely describe the cohomology of the other ones of MD(n, 1)-class. Finally, we will be concerned about the cohomology of quadratic Lie algebras. In 1985, A. Medina and P. Revoy [6] computed the second Betti number of the generalized real diamond Lie algebras. We will compute in this paper the second Betti number of the generalized complex diamond Lie algebras by
using the super-Poisson bracket.


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