Orthogonal matrix polynomials satisfying differential equations with recurrence coefficients having non-scalar limits J Borrego, M Castro, AJ Durán Integral Transforms and Special Functions 23 (9), 685-700, 2012 | 19 | 2012 |

On the effect of COVID-19 pandemic in the excess of human mortality. The case of Brazil and Spain JA Borrego–Morell, EJ Huertas, N Torrado PLoS One 16 (9), e0255909, 2021 | 13 | 2021 |

Orthogonality with respect to a Jacobi differential operator and applications J Borrego, H Pijeira Journal of Mathematical Analysis and Applications, 2013 | 5 | 2013 |

On a class of biorthogonal polynomials on the unit circle J Borrego-Morell, FR Rafaeli Journal of Mathematical Analysis and Applications 438 (1), 465-473, 2016 | 3 | 2016 |

Differential orthogonality: Laguerre and Hermite cases with applications J Borrego-Morell, H Pijeira-Cabrera Journal of Approximation Theory 196, 111-130, 2015 | 3 | 2015 |

On orthogonal polynomials with respect to a class of differential operators J Borrego Applied Mathematics and Computation 219 (15), 7853–7871, 2013 | 3 | 2013 |

On an energy-dependent quantum system with solutions in terms of a class of hypergeometric para-orthogonal polynomials on the unit circle JA Borrego-Morell, CF Bracciali, A Sri Ranga Mathematics 8 (7), 1161, 2020 | 2 | 2020 |

Orthogonal polynomials on the unit circle satisfying a second-order differential equation with varying polynomial coefficients J Borrego-Morell, A Sri Ranga Integral Transforms and Special Functions 28 (1), 39-55, 2017 | 2 | 2017 |

An asymptotic expansion of eigenpolynomials for a class of linear differential operators JA Borrego‐Morell Studies in Applied Mathematics 151 (3), 923-956, 2023 | 1 | 2023 |

Semiclassical expansion for exactly solvable differential operators JA Borrego-Morell, B Shapiro arXiv preprint arXiv:2402.19087, 2024 | | 2024 |

An asymptotic expansion for a class of biorthogonal polynomials with respect to a measure on the unit circle J Borrego-Morell, FR Rafaeli Applied Mathematics and Computation 313, 52-73, 2017 | | 2017 |

Orthogonal polynomials with respect to differential operators and matrix orthogonal polynomials JAB Morell, HEP Cabrera Universidad Carlos III de Madrid, 2013 | | 2013 |

Orthogonal polynomials with respect to differential operators and matrix orthogonal polynomials JA Borrego Morell | | 2013 |