Control theory from the geometric viewpoint AA Agrachev, Y Sachkov Springer Science & Business Media, 2013 | 1719 | 2013 |

Input to state stability: Basic concepts and results AA Agrachev, AS Morse, ED Sontag, HJ Sussmann, VI Utkin, ED Sontag Nonlinear and optimal control theory: lectures given at the CIME summer …, 2008 | 1427 | 2008 |

Lie-algebraic stability criteria for switched systems AA Agrachev, D Liberzon SIAM Journal on Control and Optimization 40 (1), 253-269, 2001 | 436 | 2001 |

A comprehensive introduction to sub-Riemannian geometry A Agrachev, D Barilari, U Boscain Cambridge University Press, 2019 | 423 | 2019 |

The exponential representation of flows and the chronological calculus AA Agračev, RV Gamkrelidze Mathematics of the USSR-Sbornik 35 (6), 727, 1979 | 331 | 1979 |

Introduction to Riemannian and sub-Riemannian geometry AA Agrachev, D Barilari, U Boscain Sissa, 2012 | 197 | 2012 |

Abnormal sub-Riemannian geodesics: Morse index and rigidity AA Agrachev, AV Sarychev Annales de l'Institut Henri Poincaré C, Analyse non linéaire 13 (6), 635-690, 1996 | 185 | 1996 |

The intrinsic hypoelliptic Laplacian and its heat kernel on unimodular Lie groups A Agrachev, U Boscain, JP Gauthier, F Rossi Journal of Functional Analysis 256 (8), 2621-2655, 2009 | 167 | 2009 |

Strong optimality for a bang-bang trajectory AA Agrachev, G Stefani, PL Zezza SIAM Journal on Control and Optimization 41 (4), 991-1014, 2002 | 167 | 2002 |

Sub-Riemannian sphere in Martinet flat case A Agrachev, B Bonnard, M Chyba, I Kupka ESAIM: Control, Optimisation and Calculus of Variations 2, 377-448, 1997 | 152 | 1997 |

Navier–Stokes equations: controllability by means of low modes forcing AA Agrachev, AV Sarychev Journal of Mathematical Fluid Mechanics 7, 108-152, 2005 | 139 | 2005 |

Sub-Riemannian structures on 3D Lie groups A Agrachev, D Barilari arXiv preprint arXiv:1007.4970, 2010 | 129 | 2010 |

Exponential mappings for contact sub-Riemannian structures AA Agrachev Journal of dynamical and control systems 2 (3), 321-358, 1996 | 126 | 1996 |

Sachkov Yu. L AA Agrachev L. Geometricheskaya teoriya upravleniya [Geometric control theory]. Moscow …, 2005 | 123* | 2005 |

A Gauss-Bonnet-like formula on two-dimensional almost-Riemannian manifolds AA Agrachev, U Boscain, M Sigalotti arXiv preprint math/0609566, 2006 | 121 | 2006 |

Chronological algebras and nonstationary vector fields AA Agrachev, RV Gamkrelidze Journal of Soviet mathematics 17, 1650-1675, 1981 | 119 | 1981 |

Local invariants of smooth control systems AA Agrachev, RV Gamkrelidze, AV Sarychev Acta Applicandae Mathematica 14, 191-237, 1989 | 111 | 1989 |

Feedback-invariant optimal control theory and differential geometry—I. Regular extremals AA Agrachev, RV Gamkrelidze Journal of Dynamical and Control Systems 3 (3), 343-389, 1997 | 108 | 1997 |

The topology of quadratic mappings and Hessians of smooth mappings AA Agrachev Itogi Nauki i Tekhniki. Seriya" Algebra. Geometriya. Topologiya" 26, 85-124, 1988 | 100* | 1988 |

Curvature: a variational approach A Agrachev, D Barilari, L Rizzi American Mathematical Society 256 (1225), 2018 | 95 | 2018 |