Invertibility of matrix Wiener–Hopf plus Hankel operators with symbols producing a positive numerical range LP Castro, AS Silva Zeitschrift für Analysis und ihre Anwendungen 28 (1), 119-127, 2009 | 23 | 2009 |

Discrete linear differential equations L Castro, S Saitoh, Y Sawano, AS Silva Oldenbourg Wissenschaftsverlag GmbH 32 (3), 181-191, 2012 | 16 | 2012 |

A reproducing kernel Hilbert space constructive approximation for integral equations with Toeplitz and Hankel kernels LP Castro, AS Silva, S Saitoh Libertas Mathematica 34 (1), 1-23, 2014 | 11 | 2014 |

Fredholm property of matrix Wiener-Hopf plus and minus Hankel operators with semi-almost periodic symbols LP Castro, AS Silva Cubo (Temuco) 12 (2), 217-234, 2010 | 10 | 2010 |

On the solution and Ulam-Hyers-Rassias stability of a Caputo fractional boundary value problem LP Castro, AS Silva Math. Biosci. Eng 19, 10809-10825, 2022 | 5 | 2022 |

Invertibility criteria for Wiener–Hopf plus Hankel operators with different almost periodic Fourier symbol matrices LP Castro, AS Silva Annali di Matematica Pura ed Applicata 192, 1141-1152, 2013 | 5 | 2013 |

Wiener–Hopf and Wiener–Hopf–Hankel operators with piecewise-almost periodic symbols on weighted Lebesgue spaces LP Castro, AS Silva Mem. Differential Equations Math. Phys 53, 39-62, 2010 | 5 | 2010 |

Fredholm Index Formula for a Class of Matrix Wiener–Hopf Plus and Minus Hankel Operators with Symmetry LP Castro, AS Silva Integral Methods in Science and Engineering, Volume 1: Analytic Methods, 95-104, 2009 | 5 | 2009 |

A new convolution operator for the linear canonical transform with applications LP Castro, N Goel, AS Silva Computational and Applied Mathematics 40 (3), 95, 2021 | 4 | 2021 |

Interplay of Wiener--Hopf and Hankel operators with almost periodic Fourier symbols on standard and variable exponent Lebesgue spaces LP Castro, AS Silva Annals of Functional Analysis 6 (2), 49-59, 2015 | 4 | 2015 |

Defect numbers of singular integral operators with Carleman shift and almost periodic coefficients LP Castro, AS Silva Journal of Mathematical Analysis and Applications 387 (1), 66-76, 2012 | 4 | 2012 |

On the Invertibility of Classes of Integral Operators via Generalized Factorizations LP Castro, AS Silva AIP Conference Proceedings 1404 (1), 242-249, 2011 | 4 | 2011 |

Existence of Solutions for a Fractional Boundary Value Problem at Resonance AS Silva Armenian Journal of Mathematics 14 (15), 1-16, 2022 | 2 | 2022 |

New convolutions with Hermite weight functions LP Castro, AS Silva, NM Tuan Bulletin of the Iranian Mathematical Society 47 (Suppl 1), 365-379, 2021 | 2 | 2021 |

A LYAPUNOV TYPE INEQUALITY FOR A CLASS OF FRACTIONAL BOUNDARY VALUE PROBLEMS WITH RIEMANN-LIOUVILLE DERIVATIVE AS SILVA Kragujevac Journal of Mathematics 50 (3), 347-356, 2026 | 1 | 2026 |

On the Existence and Stability of Solutions for a Class of Fractional Riemann–Liouville Initial Value Problems LP Castro, AS Silva Mathematics 11 (2), 297, 2023 | 1 | 2023 |

On the kernels of Wiener-Hopf-Hankel operators on variable exponent Lebesgue spaces LP Castro, AS Silva Math. Eng. Sci. Aerosp. MESA 7 (2), 375-386, 2016 | 1 | 2016 |

Semi-Fredholm theory for Wiener-Hopf-Hankel operators on Muckenhoupt weighted Lebesgue spaces. LP Castro, AS Silva Mathematics in Engineering, Science & Aerospace (MESA) 2 (4), 2011 | 1 | 2011 |

Wiener‐Hopf plus Hankel Operators with Almost Periodic Symbols on Weighted Lebesgue Spaces LP Castro, AS Silva AIP Conference Proceedings 1301 (1), 77-84, 2010 | 1 | 2010 |

Fredholm property of matrix Wiener-Hopf plus and minus Hankel operators with piecewise almost periodic symbols LP Castro, AS Silva Bull. Greek Math. Soc 57, 99-113, 2010 | 1 | 2010 |