Simple Lie algebras arising from Leavitt path algebras

Details Simple Lie algebras arising from Leavitt path algebras Simple Lie algebras arising from Leavitt path algebras

2011-07-15

arxiv.org/abs/1107.3114v2

Mathematics

Rings and Algebras

18 pages. In the second version the exposition has been improved, and various typos and minor errors have been corrected

Scientific paper

For a field K and directed graph E, we analyze those elements of the Leavitt path algebra L_K(E) which lie in the commutator subspace [L_K(E), L_K(E)]. This analysis allows us to give easily computable necessary and sufficient conditions to determine which Lie algebras of the form [L_K(E), L_K(E)] are simple, when E is row-finite (i.e., has finite out-degree) and L_K(E) is simple.

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