Optimal nonlinear approximation RA DeVore, R Howard, C Micchelli Manuscripta mathematica 63, 469-478, 1989 | 288 | 1989 |

The kinematic formula in Riemannian homogeneous spaces R Howard American Mathematical Soc., 1993 | 187 | 1993 |

Local convergence analysis of a grouped variable version of coordinate descent JC Bezdek, RJ Hathaway, RE Howard, CA Wilson, MP Windham Journal of Optimization Theory and Applications 54, 471-477, 1987 | 163 | 1987 |

Regularity of horizons and the area theorem PT Chruściel, E Delay, GJ Galloway, R Howard Annales Henri Poincaré 2 (1), 109-178, 2001 | 125 | 2001 |

Circles minimize most knot energies A Abrams, J Cantarella, JHG Fu, M Ghomi, R Howard Topology 42 (2), 381-394, 2003 | 101 | 2003 |

The cosmological time function L Andersson, GJ Galloway, R Howard Classical and quantum gravity 15 (2), 309, 1998 | 81 | 1998 |

Nonexistence of stable harmonic maps to and from certain homogeneous spaces and submanifolds of Euclidean space R Howard, SW Wei Transactions of the American Mathematical Society 294 (1), 319-331, 1986 | 59 | 1986 |

Comparison and rigidity theorems in semi-Riemannian geometry L Andersson, R Howard arXiv preprint dg-ga/9707020, 1997 | 58 | 1997 |

A reverse isoperimetric inequality, stability and extremal theorems for plane curves with bounded curvature R Howard, A Treibergs The Rocky Mountain Journal of Mathematics 25 (2), 635-684, 1995 | 47 | 1995 |

A strong maximum principle for weak solutions of quasi‐linear elliptic equations with applications to Lorentzian and Riemannian geometry L Andersson, GJ Galloway, R Howard Communications on Pure and Applied Mathematics: A Journal Issued by the …, 1998 | 40 | 1998 |

Processes of flats induced by higher dimensional processes P Goodey, R Howard Advances in Mathematics 80 (1), 92-109, 1990 | 39 | 1990 |

Convex bodies of constant width and constant brightness R Howard Advances in Mathematics 204 (1), 241-261, 2006 | 34 | 2006 |

The sharp Sobolev inequality and the Banchoff-Pohl inequality on surfaces R Howard Proceedings of the American Mathematical Society 126 (9), 2779-2787, 1998 | 34 | 1998 |

Linear maps that preserve matrices annihilated by a polynomial R Howard Linear Algebra and its Applications 30, 167-176, 1980 | 34 | 1980 |

The nonexistence of stable submanifolds, varifolds, and harmonic maps in sufficiently pinched simply connected Riemannian manifolds. R Howard Michigan Mathematical Journal 32 (3), 321-334, 1985 | 33 | 1985 |

Norms of positive operators on 𝐿^{𝑝}-spaces R Howard, AR Schep Proceedings of the American Mathematical Society 109 (1), 135-146, 1990 | 28 | 1990 |

Tangent cones and regularity of real hypersurfaces M Ghomi, R Howard Journal für die reine und angewandte Mathematik (Crelles Journal) 2014 (697 …, 2014 | 24 | 2014 |

Processes of flats induced by higher dimensional processes III P Goodey, R Howard, M Reeder Geometriae Dedicata 61 (3), 257-269, 1996 | 23 | 1996 |

Characterization of eigenfunctions by boundedness conditions R Howard, M Reese Canadian Mathematical Bulletin 35 (2), 204-213, 1992 | 23 | 1992 |

Extremal approximately convex functions and estimating the size of convex hulls SJ Dilworth, R Howard, JW Roberts Advances in Mathematics 148 (1), 1-43, 1999 | 22 | 1999 |