representation theory; combinatorics;

Training of the national team for the international mathematics olympiads, 200-2003

David Plaza, Postdoc Sept 2013 – Jan 2016.
Gastón Burrull, Master student, June 2015- 2018.
Paolo Sentinelli, Postdoc Dec 2015 – 2018.
Sebastián Cea, Master student, Sept 2016 – Sept 2017.
Gonzalo Jiménez, Ph.D student January 2017 – Present.
Rodrigo Villegas, Ph.D. March 2019– Present.
Karina H. Batistelli, Postdoc March 2019– Present.
Gastón Burrull, (codirected by Geordie Williamson in Sydney) Ph.D. student, January 2020- Present.
Juan Camilo Arias, Postdoc March 2020– March 2021.

Organizer in 2015 of a conference with ten Nobel prize winners in sciences and several activities around it.
The writer of a book in the publishing house "Planeta", a mathematical novel.
More than thirty appearances in radio, television, and journals.