Abstract
We study the existence problem for Novikov algebra structures on finite-dimensional Lie algebras. We show that a Lie algebra admitting a Novikov algebra is necessarily solvable. Conversely we present a 2-step solvable Lie algebra without any Novikov structure. We use extensions and classical r-matrices to construct Novikov structures on certain classes of solvable Lie algebras.
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Burde, D. Classical r-Matrices and Novikov Algebras. Geom Dedicata 122, 145–157 (2006). https://doi.org/10.1007/s10711-006-9059-y
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DOI: https://doi.org/10.1007/s10711-006-9059-y