Rolling balls and octonions
- Cite this article as:
- Agrachev, A.A. Proc. Steklov Inst. Math. (2007) 258: 13. doi:10.1134/S0081543807030030
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In this semi-expository paper we disclose hidden symmetries of a classical nonholonomic kinematic model and try to explain the geometric meaning of the basic invariants of vector distributions.