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Weimar–Woods conjecture on isomorphism and normalization of graded contractions
Weimar–Woods conjecture. Two graded contractions $\varepsilon$ and $\varepsilon'$ are isomorphic if and only if they are equivalent via normalization:
opengraded-contractions lie-algebras monoidal-categories
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Weimar–Woods conjecture on isomorphism and normalization of graded contractions