Abstract
The left-invariant sub-Lorentzian problem on the Heisenberg group is considered. An optimal synthesis is constructed, the sub-Lorentzian distance and spheres are described.
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Notes
where \(\pi \, : \, T^{*}M \rightarrow {M}\) is the canonical projection, \(\pi (\lambda ) = q, \lambda \in T^{*}_{q}M\)
where \(\vec {h}(\lambda )\) is the Hamiltonian vector field on \(T^*M\) with the Hamiltonian function \(h(\lambda )\)
The set \(\{(h_1, h_2) \in (\mathbb {R}^2)^* \mid h_1 \le - |h_2|\}\) is the polar set to U in the sense of convex analysis.
The symplectic foliation is the decomposition of the dual of a Lie algebra into coadjoint orbits, see e.g. [2]
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Sachkov, Y.L., Sachkova, E.F. Sub-Lorentzian distance and spheres on the Heisenberg group. J Dyn Control Syst 29, 1129–1159 (2023). https://doi.org/10.1007/s10883-023-09652-2
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DOI: https://doi.org/10.1007/s10883-023-09652-2