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Question: How to find triplets in Lie algebra at which Jacob's identity does not hold?

Question:How to find triplets in Lie algebra at which Jacob's identity does not hold?

mskalsi 290 Maple 18
liealgebra
December 15 2020
0

Dear all

I have  Lie commutations for vectors e1, e2, e3, e4, e5, e6 as follow:

[e1, e3] = e3, [e1, e4] = e4, [e1, e5] = e5, [e1, e6] = e6, [e2, e3] = -e5, [e2, e4] = e6, [e3, e5] = e6

for which the command 

Query("Jacobi")

returns the false result, which means, the vectors are not closed under Jacobi's identity. How can I find vector triplets for which Jacobi's identity does not hold?

Please find Maple file.Jacobi_identity.mw
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