Discrete-time fractional variational problems NRO Bastos, RAC Ferreira, DFM Torres Signal Processing 91 (3), 513-524, 2011 | 300 | 2011 |

Nontrivial solutions for fractional -difference boundary value problems R Ferreira Electronic journal of qualitative theory of differential equations 2010 (70 …, 2010 | 258 | 2010 |

Positive solutions for a class of boundary value problems with fractional q-differences RAC Ferreira Computers & Mathematics with Applications 61 (2), 367-373, 2011 | 211 | 2011 |

Fractional h-difference equations arising from the calculus of variations RAC Ferreira, DFM Torres Applicable Analysis and Discrete Mathematics, 110-121, 2011 | 202 | 2011 |

A Lyapunov-type inequality for a fractional boundary value problem R Ferreira Fractional calculus and applied analysis 16 (4), 978-984, 2013 | 190 | 2013 |

Necessary optimality conditions for fractional difference problems of the calculus of variations NRO Bastos, RAC Ferreira, DFM Torres arXiv preprint arXiv:1007.0594, 2010 | 174 | 2010 |

On a Lyapunov-type inequality and the zeros of a certain Mittag–Leffler function RAC Ferreira Journal of mathematical analysis and applications 412 (2), 1058-1063, 2014 | 166 | 2014 |

A discrete fractional Gronwall inequality RAC Ferreira Proceedings of the American Mathematical Society, 1605-1612, 2012 | 119 | 2012 |

Higher-order calculus of variations on time scales RAC Ferreira, DFM Torres Mathematical control theory and finance, 149-159, 2008 | 105 | 2008 |

Diamond-Jensen's inequality on time scales MR Sidi Ammi, RAC Ferreira, DFM Torres Journal of Inequalities and Applications 2008, 1-13, 2008 | 94 | 2008 |

Existence and uniqueness of solution to some discrete fractional boundary value problems of order less than one RAC Ferreira Journal of Difference Equations and Applications 19 (5), 712-718, 2013 | 87 | 2013 |

Generalized retarded integral inequalities RAC Ferreira, DFM Torres Applied Mathematics Letters 22 (6), 876-881, 2009 | 59 | 2009 |

Generalizations of Gronwall–Bihari inequalities on time scales RAC Ferreira, DFM Torres Journal of Difference Equations and Applications 15 (6), 529-539, 2009 | 43 | 2009 |

Optimality conditions for the calculus of variations with higher-order delta derivatives RAC Ferreira, AB Malinowska, DFM Torres Applied Mathematics Letters 24 (1), 87-92, 2011 | 41 | 2011 |

Remarks on the calculus of variations on time scales RAC Ferreira, DFM Torres arXiv preprint arXiv:0706.3152, 2007 | 41 | 2007 |

Positive solution for a discrete fractional periodic boundary value problem RAC Ferreira, CS Goodrich Dyn. Contin. Discrete Impuls. Syst. Ser. A Math. Anal 19 (5), 545-557, 2012 | 38 | 2012 |

Integral inequalities and their applications to the calculus of variations on time scales MJ Bohner, RAC Ferreira, DFM Torres arXiv preprint arXiv:1001.3762, 2010 | 38 | 2010 |

Isoperimetric problems of the calculus of variations on time scales RAC Ferreira, DFM Torres Nonlinear Analysis and Optimization II, Contemporary Mathematics 514, 123-131, 2010 | 38 | 2010 |

Lyapunov-type inequalities for some sequential fractional boundary value problems RAC Ferreira Adv. Dyn. Syst. Appl 11 (1), 33-43, 2016 | 35 | 2016 |

Isoperimetric problems of the calculus of variations with fractional derivatives R Almeida, RAC Ferreira, DFM Torres Acta Mathematica Scientia 32 (2), 619-630, 2012 | 33 | 2012 |