Math Problem Statement
reformulate: Our main result consists in a decomposition theorem for cocycles on flat Lie algebras into: a coboundary part and a cocycle part. This cocycle part maps elements of its abelian subalgebra to the set of its invariant bivectors. Furthermore, using the Big Bracket formalism, the explicit descriptions of Lie bialgebra structures for various classes of flat Lie algebras are given, highlighting the diversity of structures that can arise.
Solution
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Math Problem Analysis
Mathematical Concepts
Lie Algebra
Cohomology
Invariant Bivectors
Lie Bialgebra
Big Bracket Formalism
Formulas
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Theorems
Decomposition Theorem for Cocycles
Lie Bialgebra Structures
Suitable Grade Level
Postgraduate/Advanced Mathematics
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