Title: Cut Locus in the Sub-Riemannian Problem on Engel Group

Authors: A. A. Ardentov, Yu. L. Sachkov

Journal title: Doklady Mathematics

Year: 2018

Issue: 1

Volume: 97

Pages: 82–85

Abstract:

This paper considers the left-invariant sub-Riemannian problem on the Engel group. The stratification of the cut locus and the structure of optimal synthesis are described