Open questions in reverse mathematics A Montalbán Bulletin of Symbolic Logic 17 (3), 431-454, 2011 | 90 | 2011 |

The isomorphism problem for torsion-free abelian groups is analytic complete R Downey, A Montalbán Journal of Algebra 320 (6), 2291-2300, 2008 | 70 | 2008 |

Isomorphism relations on computable structures EB Fokina, SD Friedman, V Harizanov, JF Knight, C McCoy, A Montalbán The Journal of Symbolic Logic 77 (1), 122-132, 2012 | 68 | 2012 |

The complexity of computable categoricity RG Downey, AM Kach, S Lempp, AEM Lewis-Pye, A Montalbán, ... Advances in Mathematics 268, 423-466, 2015 | 60 | 2015 |

Computable functors and effective interpretability M Harrison-Trainor, A Melnikov, R Miller, A Montalbán The Journal of Symbolic Logic 82 (1), 77-97, 2017 | 52 | 2017 |

The limits of determinacy in second‐order arithmetic A Montalbán, RA Shore Proceedings of the London Mathematical Society 104 (2), 223-252, 2012 | 52 | 2012 |

Notes on the jump of a structure A Montalbán Conference on Computability in Europe, 372-378, 2009 | 48 | 2009 |

Computability theoretic classifications for classes of structures A Montalbán Proccedings of the ICM 2 (2014), 79-101, 2014 | 39 | 2014 |

From automatic structures to Borel structures G Hjorth, B Khoussainov, A Montalbán, A Nies 2008 23rd Annual IEEE Symposium on Logic in Computer Science, 431-441, 2008 | 37 | 2008 |

The Veblen functions for computability theorists A Marcone, A Montalbán The Journal of Symbolic Logic 76 (2), 575-602, 2011 | 36 | 2011 |

A computability theoretic equivalent to Vaught’s conjecture A Montalbán Advances in Mathematics 235, 56-73, 2013 | 33 | 2013 |

On the equimorphism types of linear orderings A Montalbán Bulletin of Symbolic Logic 13 (1), 71-99, 2007 | 31 | 2007 |

Indecomposable linear orderings and hyperarithmetic analysis A Montalbán Journal of Mathematical Logic 6 (01), 89-120, 2006 | 31 | 2006 |

Subspaces of computable vector spaces RG Downey, DR Hirschfeldt, AM Kach, S Lempp, JR Mileti, A Montalbán Journal of Algebra 314 (2), 888-894, 2007 | 30 | 2007 |

Up to equimorphism, hyperarithmetic is recursive A Montalbán The Journal of Symbolic Logic 70 (2), 360-378, 2005 | 29 | 2005 |

A robuster Scott rank A Montalbán Proceedings of the American Mathematical Society 143 (12), 5427-5436, 2015 | 28 | 2015 |

Ranked structures and arithmetic transfinite recursion N Greenberg, A Montalbán Transactions of the American Mathematical Society 360 (3), 1265-1307, 2008 | 28 | 2008 |

Boolean algebras, Tarski invariants, and index sets BF Csima, A Montalbán, RA Shore Notre Dame Journal of Formal Logic 47 (1), 1-23, 2006 | 27 | 2006 |

Equivalence between Fraďssé’s conjecture and Jullien’s theorem A Montalbán Annals of Pure and Applied Logic 139 (1-3), 1-42, 2006 | 26 | 2006 |

A minimal pair of 𝐾-degrees B Csima, A Montalbán Proceedings of the American Mathematical Society 134 (5), 1499-1502, 2006 | 26 | 2006 |