Matrices with prescribed rows and invariant factors I Zaballa Linear Algebra and its Applications 87, 113-146, 1987 | 128 | 1987 |

Interlacing inequalities and control theory I Zaballa Linear Algebra and its Applications 101, 9-31, 1988 | 87 | 1988 |

Column completion of a pair of matrices I Baragaña, I Zaballa Linear and multilinear algebra 27 (4), 243-273, 1990 | 56 | 1990 |

Perturbation of linear control systems JM Gracia, I de Hoyos, I Zaballa Linear Algebra and its Applications 121, 353-383, 1989 | 46 | 1989 |

Assigning the Kronecker invariants of a matrix pencil by row or column completions JJ Loiseau, S Mondié, I Zaballa, P Zagalak Linear algebra and its applications 278 (1-3), 327-336, 1998 | 45 | 1998 |

Controllability and Hermite indices of matrix pairs I Zaballa International Journal of Control 68 (1), 61-86, 1997 | 41 | 1997 |

Diagonalizable quadratic eigenvalue problems P Lancaster, I Zaballa Mechanical Systems and Signal Processing 23 (4), 1134-1144, 2009 | 37 | 2009 |

Interlacing and majorization in invariant factor assignment problems I Zaballa Linear Algebra and its Applications 121, 409-421, 1989 | 34 | 1989 |

Block similarity invariants of restrictions to (A, B)-invariant subspaces I Baragan, I Zaballa Linear Algebra and its Applications 220, 31-62, 1995 | 31* | 1995 |

Matrices with prescribed invariant factors and off-diagonal submatrices I Zaballa Linear and Multilinear Algebra 25 (1), 39-54, 1989 | 28 | 1989 |

Strong linearizations of rational matrices A Amparan, FM Dopico, S Marcaida, I Zaballa SIAM Journal on Matrix Analysis and Applications 39 (4), 1670-1700, 2018 | 27 | 2018 |

Triangularizing matrix polynomials L Taslaman, F Tisseur, I Zaballa Linear Algebra and its Applications 439 (7), 1679-1699, 2013 | 27 | 2013 |

Triangularizing quadratic matrix polynomials F Tisseur, I Zaballa SIAM Journal on Matrix Analysis and Applications 34 (2), 312-337, 2013 | 25 | 2013 |

The change of the Jordan structure under one row perturbations MA Beitia, I de Hoyos, I Zaballa Linear algebra and its applications 401, 119-134, 2005 | 25 | 2005 |

Finite and infinite elementary divisors of matrix polynomials: a global approach I Zaballa, F Tisseur Manchester Institute for Mathematical Sciences, University of Manchester, 2012 | 20 | 2012 |

On the inverse symmetric quadratic eigenvalue problem P Lancaster, I Zaballa SIAM Journal on Matrix Analysis and Applications 35 (1), 254-278, 2014 | 18 | 2014 |

Finite and infinite structures of rational matrices: a local approach A Amparan, S Marcaida, I Zaballa The Electronic Journal of Linear Algebra 30, 2015 | 15 | 2015 |

Feedback invariants of a pair of matrices with prescribed columns I Cabral, FC Silva, I Zaballa Linear Algebra and Its Applications 332, 447-458, 2001 | 15 | 2001 |

Filters connecting isospectral quadratic systems SD Garvey, P Lancaster, AA Popov, U Prells, I Zaballa Linear Algebra and its Applications 438 (4), 1497-1516, 2013 | 14 | 2013 |

Wiener--Hopf Factorization Indices and Infinite Structure of Rational Matrices A Amparan, S Marcaida, I Zaballa SIAM journal on control and optimization 42 (6), 2130-2144, 2004 | 13 | 2004 |