Abstract
The authors found geodesics, shortest arcs, cut loci, and conjugate sets for some leftinvariant sub-Riemannian metric on the Lie group SL(2) that is right-invariant relative to the Lie subgroup SO(2) ⊂ SL(2) (in other words, for invariant sub-Riemannian metric on weakly symmetric space (SL(2) × SO(2))/SO(2)).
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Novosibirsk; Omsk. Translated from Sibirskiĭ Matematicheskiĭ Zhurnal, Vol. 57, No. 3, pp. 527–542, May–June, 2016; DOI: 10.17377/smzh.2016.57.304.
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Berestovskiĭ, V.N., Zubareva, I.A. Geodesics and shortest arcs of a special sub-Riemannian metric on the Lie group SL(2). Sib Math J 57, 411–424 (2016). https://doi.org/10.1134/S0037446616030046
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DOI: https://doi.org/10.1134/S0037446616030046