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Lie algebras graded by the weight system...
Baranov, Alexander...
Lie algebras graded by the weight system $(\Theta_{n},sl_{n})$ by Baranov, Alexander ( Author )
Australian National University
10-08-2023
A Lie algebra $L$ is said to be $(\Theta_{n},sl_{n})$-graded if it contains a simple subalgebra $\mathfrak{g}$ isomorphic to $sl_{n}$ such that the $\mathfrak{g}$-module $L$ decomposes into copies of the adjoint module, the trivial module, the natural module $V$, its symmetric and exterior squares $S^{2}V$ and $\wedge^{2}V$ and their duals. We describe the multiplicative structures and the coordinate algebras of $(\Theta_{n},sl_{n})$-graded Lie algebras for $n\ge5$, classify these Lie algebras and determine their central extensions.
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Article
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30.00 KB
English
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MYR 0.01
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http://arxiv.org/abs/1709.03023
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