Massey products in graded Lie algebra cohomology
Abstract
We discuss Massey products in a N-graded Lie algebra cohomology. One of the main examples is the positive part L1 of the Witt algebra W. We consider an associated graded algebra m0 of L1 with respect to the descending central series and prove that H*(m0) is generated with respect to non-trivial Massey products by one cohomology H1(m0).
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