Talks
Cubing
Cubo di Rubik e Speedcubing (ITA). Invited talk at Università di Cagliari, January 2020. [Slides: pdf, 2.0Mb]
The Rubik’s cube group structure in 2 minutes. Speed talk at the AAN Symposium, May 2019. [Slides: pdf, 1.2Mb]
Math
Kummer theory for elliptic curves. Short talk for Tarrach Prize 2023, March 2023. [Slides: pdf, 288Kb]
Kummer theory for commutative algebraic groups. Seminar at the university of Leiden, September 2022. [Slides: pdf, 1.2Mb]
My journey in Kummer theory. Leiden-Luxembourg Number Theory PhD Days 2022, July 5-6. [Slides: pdf, 521Kb]
A tour of group theory with our companion cube. University of Luxembourg PhD seminar, May 2022. [Slides: pdf, 1.1Mb]
Kummer theory via (J,T)-extensions. University of Leiden algebra seminar, May 2022; similar to A category of division modules, see below.
Kummer theory for algebraic groups. Nederlands Matematisch Congres, April 2022; repeated at the DIAMANT symposium, April 2022. [Notes (NMC): pdf, 215Kb; Script (NMC): txt, 9Kb; Notes (DIAMANT, longer version): pdf, 223Kb]
Division in modules. University of Leiden algebra seminar, April 2022; similar to A generalization of injective modules and Division in modules and Kummer theory, see below. [Notes: pdf, 245Kb]
Division in modules and Kummer theory. Invited talk at the University of Groningen, February 2022. [Slides: pdf, 249Kb]
A category of division modules. University of Luxembourg Number Theory seminar, November 2021. [Notes: pdf, 270Kb]
Introduction to étale cohomology. University of Luxembourg seminar series on perverse sheaves, October 2021. [Notes: pdf, 237Kb]
A generalization of injective modules. University of Luxembourg Number Theory seminar, October 2021. [Notes: pdf, 259Kb]
Integer factorization and elliptic curves. University of Leiden Bachelor seminar (guest talk), April 2021. [Slides: pdf, 393Kb]
Group cohomology and elliptic curves. Invited talk at Number Theory Online conference, February 2021. [Slides: pdf, 210Kb; Video]
Kummer theory for algebraic groups. Invited talk at the University of Bristol (online), October 2020. [Slides: pdf, 239Kb]
Algebraic groups and field extensions. University of Luxembourg PhD seminar (online), April 2020. [Slides: pdf, 280Kb]
Field extensions and elliptic curves. University of Luxembourg PhD Day, October 2019. [Slides: pdf, 6.0Mb]
Kummer theory for elliptic curves. University of Leiden algebra seminar, September 2019; repeated with slides at the DIAMANT symposium, November 2019 and at Seminari de Teoria de Nombres de Barcelona, February 2020. [Notes: pdf, 181Kb; Slides DIAMANT: pdf, 271Kb; Slides Barcelona: pdf, 290Kb].
Divisibility of points in algebraic groups. Invited talk at the University of the Basque Country, May 2019. [Notes: pdf, 231Kb]
Kummer theory for number fields. Fifth symposium of the Roman Number Theory association, April 2019; repeated at the Algant Alumni symposium in Benasque, May 2019. [Slides: pdf, 291Kb]
The local-global principle. University of Luxembourg interdisciplinary seminar, March 2019. [Slides: pdf, 598Kb]
Local-global principle for torsion. University of Luxembourg Number Theory seminar, November 2018. [Notes: pdf, 208Kb]
Software
L’importanza del software libero nella ricerca (ITA). Linux day in Feltre, October 2019. [Slides: pdf, 804Kb; Video]
Linux from scratch (ITA) Linux day in Sedico, October 2012. Video.