Abstract:
We construct a family of simply connected 2-step nilpotent Lie groups of higher rank such that every geodesic lies in a flat. These are as Riemannian manifolds irreducible and arise from real representations of compact Lie algebras. Moreover we show that groups of Heisenberg type do not even infinitesimally have higher rank.
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Received: 2 July 2001 / Revised version: 19 October 2001
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Samiou, E. 2-step nilpotent Lie groups of higher rank. manuscripta math. 107, 101–110 (2002). https://doi.org/10.1007/s002290100227
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DOI: https://doi.org/10.1007/s002290100227