Regularity for degenerate two-phase free boundary problems R Leitão, OS de Queiroz, EV Teixeira Annales de l'Institut Henri Poincaré C 32 (4), 741-762, 2015 | 27 | 2015 |

Infinity Laplacian equation with strong absorptions DJ Araújo, R Leitão, EV Teixeira Journal of Functional Analysis 270 (6), 2249-2267, 2016 | 19 | 2016 |

Regularity and geometric estimates for minima of discontinuous functionals R Leitao, EV Teixeira Rev. Mat. Iberoam 31 (1), 69-108, 2015 | 16 | 2015 |

Regularity for anisotropic fully nonlinear integro-differential equations LA Caffarelli, R Leitão, JM Urbano Mathematische Annalen 360, 681-714, 2014 | 16 | 2014 |

Geometric regularity estimates for fully nonlinear elliptic equations with free boundaries JV da Silva, R Alves Leitao Junior, G Chaves Ricarte Mathematische Nachrichten 294 (1), 38-55, 2021 | 14 | 2021 |

Free boundary regularity for a degenerate problem with right hand side R Leitao, GC Ricarte Interfaces and Free Boundaries 20 (4), 577-595, 2018 | 13 | 2018 |

Free boundary theory for singular/degenerate nonlinear equations with right hand side: a non-variational approach JEM Braga, RA Leitão, JEL Oliveira Calculus of Variations and Partial Differential Equations 59 (2), 86, 2020 | 7 | 2020 |

On the Hölder regularity for solutions of integro-differential equations like the anisotropic fractional Laplacian EB Santos, R Leitão Partial Differential Equations and Applications 2, 1-34, 2021 | 4 | 2021 |

Almgren’s frequency formula for an extension problem related to the anisotropic fractional Laplacian R Leitao Revista Matematica Iberoamericana 36 (3), 641-660, 2019 | 4 | 2019 |

Free boundary regularity for a degenerate fully non-linear elliptic problem with right hand side R Leitão, GC Ricarte arXiv preprint arXiv:1810.07840, 2018 | 3 | 2018 |

Geometric regularity for elliptic equations in double-divergence form R Leitão, EA Pimentel, MS Santos Analysis & PDE 13 (4), 1129-1144, 2020 | 2 | 2020 |

Regularity and geometric estimates for minima of discontinuous functionals R Leitão, EV Teixeira arXiv preprint arXiv:1111.2625, 2011 | 1 | 2011 |

-Estimates for Solutions of Equations Governed by Operators like the Anisotropic Fractional Laplacian R Leitão Bulletin of the Brazilian Mathematical Society, New Series 54 (3), 34, 2023 | | 2023 |

Free boundary regularity for a degenerate fully non-linear elliptic problem with right hand side in dimension two R Leitao, GC Ricarte | | 2019 |

ANALYSIS & PDE R LEITÃO, EA PIMENTEL, MS SANTOS, INDD FORM | | |