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Massey brackets and deformations. (English) Zbl 1054.17018

Summary: A generalisation of Massey products in the cohomology of differential graded Lie algebras is constructed. An application to formal deformations of Lie algebras is given. A similar construction for the associative case is considered.

MSC:

17B56 Cohomology of Lie (super)algebras
16E45 Differential graded algebras and applications (associative algebraic aspects)
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References:

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