Pseudodifferential operators on differential groupoids V Nistor, A Weinstein, P Xu Pacific journal of mathematics 189 (1), 117-152, 1999 | 242 | 1999 |

Homology of pseudodifferential operators I. Manifolds with boundary RB Melrose, V Nistor arXiv preprint funct-an/9606005, 1996 | 113 | 1996 |

Cyclic cohomology of etale groupoids JL Brylinski, V Nistor K-theory 8 (4), 341-365, 1994 | 110 | 1994 |

Group cohomology and the cyclic cohomology of crossed products V Nistor Inventiones mathematicae 99 (1), 411-424, 1990 | 109 | 1990 |

Pseudodifferential analysis on continuous family groupoids R Lauter, B Monthubert, V Nistor Doc. Math 5, 625-655, 2000 | 97 | 2000 |

Improving the rate of convergence of ‘high order finite elements’ on polygons and domains with cusps C Băcuţă, V Nistor, LT Zikatanov Numerische Mathematik 100 (2), 165-184, 2005 | 85 | 2005 |

Pseudodifferential operators on manifolds with a Lie structure at infinity B Ammann, R Lauter, V Nistor Annals of Mathematics, 717-747, 2007 | 79 | 2007 |

Analysis of geometric operators on open manifolds: a groupoid approach R Lauter, V Nistor Quantization of singular symplectic quotients, 181-229, 2001 | 77 | 2001 |

A Bivariant Chern--Connes Character V Nistor Annals of Mathematics 138 (3), 555-590, 1993 | 77 | 1993 |

Sobolev spaces on Lie manifolds and regularity for polyhedral domains B Ammann, AD Ionescu, V Nistor Doc. math 11 (2), 006, 2006 | 71 | 2006 |

Well-posedness and regularity for the elasticity equation with mixed boundary conditions on polyhedral domains and domains with cracks AL Mazzucato, V Nistor Archive for rational mechanics and analysis 195 (1), 25-73, 2010 | 67 | 2010 |

On the geometry of Riemannian manifolds with a Lie structure at infinity B Ammann, R Lauter, V Nistor International Journal of Mathematics and Mathematical Sciences 2004 (4), 161-193, 2004 | 62 | 2004 |

K-theory of C*-algebras of b-pseudodifferential operators R Melrose, V Nistor Geometric & Functional Analysis GAFA 8 (1), 88-122, 1998 | 62 | 1998 |

STABLE RANGE FOR TENSOR PRODUCTS OF EXTENSIONS OF 𝒦 BY C (X) V Nistor Journal of Operator Theory, 387-396, 1986 | 62 | 1986 |

Higher index theorems and the boundary map in cyclic cohomology V Nistor Doc. Math 2, 263-295, 1997 | 59 | 1997 |

Analysis of the finite element method for transmission/mixed boundary value problems on general polygonal domains H Li, A Mazzucato, V Nistor Electron. Trans. Numer. Anal 37, 41-69, 2010 | 57 | 2010 |

Improving the Rate of Convergence of High-Order Finite Elements on Polyhedra I: *A Priori* EstimatesC Bacuta, V Nistor, LT Zikatanov Numerical Functional Analysis and Optimization 26 (6), 613-639, 2005 | 56 | 2005 |

Groupoids and the integration of Lie algebroids V Nistor Journal of the Mathematical Society of Japan 52 (4), 847-868, 2000 | 54 | 2000 |

Stable rank for a certain class of type IC*-algebras V Nistor Journal of Operator Theory, 365-373, 1987 | 48 | 1987 |

Interface and mixed boundary value problems on n-dimensional polyhedral domains C Bacuta, AL Mazzucato, V Nistor, L Zikatanov Doc. Math 15, 687-745, 2010 | 47 | 2010 |