On Commutative Polarizations
Alexader G. Elashvili, Alfons I. Ooms
Abstract
Open-access reader
Alexader G. Elashvili, Alfons I. Ooms
Abstract
Open-access reader
The purpose of this paper is to study finite-dimensional Lie algebras over a field k of characteristic zero which admit a commutative polarization (CP). Among the many results and examples, it is shown that, if k is algebraically closed, the nilradical N of a parabolic subalgebra in A_n and C_n has such a CP. Using this fact a simple closed formula is derived for the index of N.
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The purpose of this paper is to study finite-dimensional Lie algebras over a field k of characteristic zero which admit a commutative polarization (CP). Among the many results and examples, it is shown that, if k is algebraically closed, the nilradical N of a parabolic subalgebra in A_n and C_n has such a CP. Using this fact a simple closed formula is derived for the index of N.
Key concepts: Commutative property, Political science, Law and economics, Business, Mathematics, Sociology, Pure mathematics