Some of my talks are available on video:
Solving difference equations in sequences, DART X (Differential algebra and related topics), New York, 2/2020
On the dimension of systems of algebraic difference equations, Workshop on Model Theory, Differential/Difference Algebra, and Applications, New York, 3/2019
Triviality of torsors for difference algebraic groups, DART VIII (Differential Algebra and Related Topics), Linz, 9/2017
Torsors for difference algebraic groups, DART VII (Differential Algebra and Related Topics), New York, 10/2016
Torsors for difference algebraic groups, Interactions between Model Theory and Arithmetic Dynamics, Fields Institute, Toronto, 7/2016
Click here for the video
Linear differential equations and groups defined by difference equations, Kolchin Seminar in Differential Algebra, New York, 4/2016
Strongly étale difference algebras and Babbitt’s decomposition, Kolchin Seminar in Differential Algebra, City University of New York, 9/2015
Étale difference algebraic groups, Model Theory, Difference/Differential Equations and Applications, CIRM, Marseille, 4/2015
Difference algebraic groups, Kolchin Seminar in Differential Algebra, New York, 3/2015
A Jordan-Hölder theorem for difference algebraic groups, ACA (Applications of Computer Algebra), Fordham University, New York, 7/2014