Abstract
We define the Lie-Kac bigroups as special double Hilbert algebras canonically associated with ring groups (the Kac algebras) and related to the Lie bialgebras.
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Palyutkin, V.G. Lie-Kac bigroups. Ukr Math J 52, 754–764 (2000). https://doi.org/10.1007/BF02487287
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DOI: https://doi.org/10.1007/BF02487287