• Universidade Federal da Paraiba, Brazil, September, 2019 (Title: Nonlocal fractional problems involving critical growth)
• University of Brasilia, Brazil, February, 2019 (Title: Non-autonomous fractional Hamiltonian system with critical exponential growth)
• Universidade Federal da Goiás , Brazil, October, 2018 (Title: The Nehari manifold for fractional Kirchhoff problems involving singular and critical terms)
• University of Brasilia, Brazil, August, 2018 (Title: Super critical problems with concave and convex nonlinearities in RN)
• University of Brasilia, Brazil, April, 2018 (Title: Fractional Kirchhoff problem with critical indefinite nonlinearity)
• University of Brasilia, Brazil, September, 2017 (Poster Presentation: Fractional Kirchhoff problem with critical indefinite nonlinearity in low dimensions)
• Universidade Federal da Paraiba, Brazil, July-August, 2017 (Title: Mini course on fractional Sobolev spaces and applications)
• Universidade Federal da Paraiba, Brazil, March, 2017 (Title: Fractional Kirchhoff type problem with critical nonlinearity)
• Tata Institute of Fundamental Research-Centre for Applicable Mathematics, Bangalore, September, 2016 (Title: Existence and multiplicity results for nonlocal problems)
• University of Pau and Pays de l’Adour, Pau UMR CNRS 5142, France, June, 2015 (Title: Existence and multiplicity results for fractional p-Kirchhoff equation with sign changing nonlinearities)