It is proved that the associated Lie algebra of the Mal’tsev ℚ-completion of the lamplighter group is the pronilpotent completion of the lamplighter Lie algebra. It is also shown that the homology of this completed Lie algebra is of uncountable dimension in each degree.
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Translated from Algebra i Logika, Vol. 60, No. 6, pp. 636-646, November-December, 2021. Russian DOI: https://doi.org/10.33048/alglog.2021.60.608.
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Félix, Y., Murillo, A. The Homology of the Lamplighter Lie Algebra. Algebra Logic 60, 425–432 (2022). https://doi.org/10.1007/s10469-022-09668-w
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DOI: https://doi.org/10.1007/s10469-022-09668-w