MathDB2 problems
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Ho–Hou–Matsuo's classification conjecture for positive-definite metric 3-Lie algebras
A 3-Lie algebra is an algebra with a skew-symmetric trilinear bracket satisfying the generalized Jacobi identity, and a metric is a positive-definite invariant symmetric bilinear f…
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Uniqueness of the nonabelian indecomposable euclidean metric 3-Lie algebra
Uniqueness conjecture. There exists a unique nonabelian indecomposable metric 3-Lie algebra of index .