Middle convolution and deformation for Fuchsian systems Y Haraoka, G Filipuk Journal of the London Mathematical Society 76 (2), 438-450, 2007 | 70 | 2007 |

The recurrence coefficients of semi-classical Laguerre polynomials and the fourth Painlevé equation G Filipuk, W Van Assche, L Zhang Journal of Physics A: Mathematical and Theoretical 45 (20), 205201, 2012 | 65 | 2012 |

A classification of coverings yielding Heun-to-hypergeometric reductions R Vidunas, G Filipuk | 36 | 2014 |

Recurrence coefficients of a new generalization of the Meixner polynomials G Filipuk, W Van Assche SIGMA. Symmetry, Integrability and Geometry: Methods and Applications 7, 068, 2011 | 34 | 2011 |

Movable algebraic singularities of second-order ordinary differential equations G Filipuk, RG Halburd Journal of mathematical physics 50 (2), 2009 | 34 | 2009 |

Recurrence coefficients of generalized Charlier polynomials and the fifth Painlevé equation G Filipuk, W Van Assche Proceedings of the American Mathematical Society 141 (2), 551-562, 2013 | 33 | 2013 |

Recurrence coefficients of generalized Meixner polynomials and Painlevé equations L Boelen, G Filipuk, W Van Assche Journal of Physics A: Mathematical and Theoretical 44 (3), 035202, 2010 | 33 | 2010 |

Parametric transformations between the Heun and Gauss hypergeometric functions R Vidunas, G Filipuk Funkcialaj Ekvacioj 56 (2), 271-321, 2013 | 32 | 2013 |

Discrete orthogonal polynomials with hypergeometric weights and Painlevé VI G Filipuk, W Van Assche SIGMA. Symmetry, Integrability and Geometry: Methods and Applications 14, 088, 2018 | 30 | 2018 |

The symmetric fourth Painlevé hierarchy and associated special polynomials GV Filipuk, PA Clarkson Studies in Applied Mathematics 121 (2), 157-188, 2008 | 29 | 2008 |

symmetries of the sixth Painlevé equation G Filipuk Kumamoto J. Math 19, 15-23, 2006 | 24 | 2006 |

Multiple orthogonal polynomials associated with an exponential cubic weight W Van Assche, G Filipuk, L Zhang Journal of approximation theory 190, 1-25, 2015 | 21 | 2015 |

Computing recurrence coefficients of multiple orthogonal polynomials G Filipuk, M Haneczok, W Van Assche Numerical Algorithms 70 (3), 519-543, 2015 | 19 | 2015 |

Recurrence coefficients for discrete orthogonal polynomials with hypergeometric weight and discrete Painlevé equations A Dzhamay, G Filipuk, A Stokes Journal of Physics A: Mathematical and Theoretical 53 (49), 495201, 2020 | 16 | 2020 |

Orthogonal polynomials, asymptotics, and Heun equations Y Chen, G Filipuk, L Zhan Journal of Mathematical Physics 60 (11), 2019 | 16 | 2019 |

Discrete Painlevé equations for recurrence coefficients of Laguerre–Hahn orthogonal polynomials of class one G Filipuk, MN Rebocho Integral Transforms and Special Functions 27 (7), 548-565, 2016 | 16 | 2016 |

Ladder operators and differential equations for multiple orthogonal polynomials G Filipuk, W Van Assche, L Zhang Journal of Physics A: Mathematical and Theoretical 46 (20), 205204, 2013 | 14 | 2013 |

Movable singularities of equations of Liénard type G Filipuk, RG Halburd Computational Methods and Function Theory 9 (2), 551-563, 2009 | 13 | 2009 |

On singularities of certain non-linear second-order ordinary differential equations G Filipuk, T Kecker Results in Mathematics 77 (1), 41, 2022 | 11 | 2022 |

On the derivatives of the Heun functions G Filipuk, A Ishkhanyan, J Dereziński Journal of Contemporary Mathematical Analysis (Armenian Academy of Sciences …, 2020 | 11 | 2020 |