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Four-Dimensional Lie Algebras Revisited

Abstract : The projective variety of Lie algebra structures on a 4-dimensional vector space has four irreducible components of dimension 11. We compute their prime ideals in the polynomial ring in 24 variables. By listing their degrees and Hilbert polynomials, we correct an earlier publication and we answer a 1987 question by Kirillov and Neretin.
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Preprints, Working Papers, ...
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https://hal-cnrs.archives-ouvertes.fr/hal-03816256
Contributor : Laurent Manivel Connect in order to contact the contributor
Submitted on : Saturday, October 15, 2022 - 10:35:10 PM
Last modification on : Tuesday, October 25, 2022 - 11:58:11 AM

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  • HAL Id : hal-03816256, version 1
  • ARXIV : 2208.14631

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Laurent Manivel, Bernd Sturmfels, Svala Sverrisdóttir. Four-Dimensional Lie Algebras Revisited. 2022. ⟨hal-03816256⟩

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