Skew category, Galois covering and smash product of a 𝑘-category C Cibils, E Marcos Proceedings of the American Mathematical Society 134 (1), 39-50, 2006 | 143 | 2006 |

Hopf quivers C Cibils, M Rosso arXiv preprint math/0009106, 2000 | 126 | 2000 |

A quiver quantum group C Cibils | 120 | 1993 |

Cohomology of incidence algebras and simplicial complexes C Cibils Journal of Pure and Applied Algebra 56 (3), 221-232, 1989 | 108 | 1989 |

Rigidity of truncated quiver algebras C Cibils Advances in Mathematics 79 (1), 18-42, 1990 | 94 | 1990 |

Algebres des chemins quantiques C Cibils, M Rosso advances in mathematics 125 (2), 171-199, 1997 | 81 | 1997 |

Hochschild cohomology algebra of abelian groups C Cibils, A Solotar Archiv der Mathematik 68, 17-21, 1997 | 81 | 1997 |

Hochschild cohomology algebra of radical square zero C Cibils Algebras and modules II, (Geiranger, 1996), 93 - 101, 1998 | 61* | 1998 |

Rigid monomial algebras C Cibils Mathematische Annalen 289 (1), 95-109, 1991 | 53 | 1991 |

On the Hochschild cohomology of finite dimensional algebras C Cibils Communications in Algebra 16 (3), 645-649, 1988 | 53 | 1988 |

Tensor Hochschild homology and cohomology C Cibils Lecture Notes in Pure and Applied Mathematics, 35-52, 2000 | 51 | 2000 |

Cartan–Leray spectral sequence for Galois coverings of linear categories C Cibils, MJ Redondo Journal of Algebra 284 (1), 310-325, 2005 | 47 | 2005 |

Hopf quivers and Nichols algebras in positive characteristic C Cibils, A Lauve, S Witherspoon Proceedings of the American Mathematical Society 137 (12), 4029-4041, 2009 | 44 | 2009 |

Galois coverings, Morita equivalence and smash extensions of categories over a field. C Cibils, A Solotar Documenta Mathematica 11, 143-159, 2006 | 43 | 2006 |

Cohomology of split algebras and of trivial extensions C Cibils, E Marcos, MJ Redondo, A Solotar Glasgow Mathematical Journal 45 (1), 21-40, 2003 | 37 | 2003 |

Half-quantum groups at roots of unity, path algebras, and representation type C Cibils International Mathematics Research Notices 1997 (12), 541-553, 1997 | 35 | 1997 |

2-nilpotent and rigid finite dimensional algebras C Cibils Journal of the London Mathematical Society, 211-218, 1987 | 34 | 1987 |

Hochschild homology of an algebra whose quiver has no oriented cycles C Cibils Representation Theory I Finite Dimensional Algebras: Proceedings of the …, 1986 | 34 | 1986 |

Tensor product of Hopf bimodules over a group C Cibils Proceedings of the American Mathematical Society 125 (5), 1315-1321, 1997 | 30 | 1997 |

Non-commutative duplicates of finite sets C Cibils J. of Algebra and its Applications 5 (3), 361--377, 2004 | 27 | 2004 |