2023 | April 3, Institut Henri Poincare in Paris, Gilles Christol 80s Birthday workshop |
| March 27-31, University Lyon 1, workshop Effective Aspects in Diophantine Approximation |
| March 20-24, Bethe Center Bonn, workshop Geometries and Special Functions for Physics and Mathematics |
| January 9-11, Institut Henri Poincare in Paris, workshop E-functions, G-functions and Periods |
2022 | September 19-23, University of Padova, conference Around p-adic cohomologies |
| July 26 and 28, virtual lectures at Bhaskaracharya Pratishthana in India: |
| `Cohomology and congruences' [slides] |
| `Calabi-Yau differential operators' [slides] |
| July 19-22, INI Cambridge, conference Mathematical physics: algebraic cycles, strings and amplitudes |
2021 | November 8, Warsaw Number Theory Seminar, talk `Integrality of instanton numbers` |
| April 28, Washington University, (virtual) Algebraic Geometry Seminar |
| April 27, Univerity of Regensburg, (virtual) SFB colloquium lecture |
| March 30, University of Versailles - St Quentin, Séminaire différentiel [video] |
2020 | December 9, Imperial College London, (virtual) talk 'Dwork's congruences and p-adic cohomology' |
| November 9, Warsaw Number Theory seminar, (virtual) talk 'Dwork crystals' |
| November 6, GADEPs seminar (IMPA, Rio de Janeiro), (virtual) talk 'Frobenius constants of differential equations' |
| October 6, University College Dublin, (virtual) talk 'Dwork crystals' |
| January 8 - February 7, INI Cambridge |
2019 | December 20, Arithmetic Geometry Seminar at AMU, Poznan |
| December 9-13, University of Utrecht |
| November 11-15, p-adic cohomology and arithmetic geometry, Tohoku University |
| July 15 - 19, school Arithmetic of Connections, Monte Verità |
| May 13 - 17, conference Transient Transcendence in Transylvania, Brasov |
| January 20 - May 24, MSRI Berkeley |
2018 | September 2 - 8, Lukecin, school `Arithmetic of Differential Equations' |
| September 1 - December 1, Warsaw, program `Varieties: Arithmetic and Transformations` |
| June 8 - June 15, Ecole de Physique des Houches, talk 'Motivic gamma functions' [notes] |
| May 28 - June 1, CIRM - Lumini, Algebra, Arithmetic and Combinatorics of Differential and Difference Equations, talk 'Gamma functions, monodromy and Apéry constants' [notes] [video] |
| March 16, Dutch InterCity Seminar in Utrecht, talk 'Dwork crystals and related congruences' |
| January 3 - April 20, HIM Bonn, Periods in Number Theory, Algebraic Geometry and Physics, talk 'What is... a motivic gamma function'[notes] |
2017 |
October 1-6, BIRS, p-adic cohomology and arithmetic applications [video] |
| July 1 - September 30, IHES |
| June 13-15, Universite Lyon 1 and ENS Lyon, talks 'p-adic unit-root formulas and Dwork cohomology' |
| January 8-28, Melbourne (Australia), program ` Hypergeometric motives and Calabi--Yau differential equations` |
2016 |
June 28 - July 1, Porquerolles (France), workshop on Automata, Algebraicity and G-functions [slides] |
| June 20-25, Herstmonceux Castle (East Sussex, UK), Calabi--Yau varieties: arithmetic, geometry and physics |
| June 1, UAM Poznan, Algebra, geometry and arithmetic seminar [slides] |
| May 23-28, IMJ-PRG Paris, Arithmetic L-functions and differential geometric methods (Regulators IV) |
| May 12-14, HU Berlin, Moduli and automorphic forms, talk 'Higher Hasse--Witt matrices' |
| April 20, University of Gdansk, Geometry Seminar, talk 'p-adic properties of periods' |