International CooperationCimpa research school on Explicit Number Theory The Witwatersrand University, Johannesburg, South Africa January 8th- 19th, 2018.
Cimpa-ICTP research school on Artin L-functions, Artin's primitive roots conjecture and applications, Nesin Mathematics Village, Şirince, Turkey.
May 29th - June 12th, 2017
Cimpa-ICTP research school on Lattices and applications to cryptography and coding theory, August 2016, Ho Chi Minh City.
Cimpa-ICTP research school on Algebraic curves over finite fields and applications, July 2013, Manila.