Talks and activities

UPCOMING WORKSHOP:

In March 2026, the 4-day workshop

Topology of algebraic varieties

is taking place at TU Chemnitz.

Organizing activity

• 09/2024: Organizer of the workshop Ramification in geometric Langlands and non-abelian Hodge theory, Heidelberg (Germany)
  

Past talks and conferences

• 01/2026: Rationality conditions for sheaves and D-modules, Workshop on Integral Stokes Structures and Applications, University of Mannheim (Germany)
• 05/2025: Over the rainbow to algebraic analysis: Stokes’ phenomenon, Positive Geometry Seminar, Max Planck Institute for Mathematics in the Sciences, Leipzig (Germany)
• 03/2025: Of rainbows and rings: The mathematics of the Stokes phenomenon, Mathematical Colloquium, University of Bern (Switzerland) — Slides
• 03/2025: Minicourse The Stokes phenomenon – From rainbows to D-modules, Workshop D-modules in Bochum, Ruhr-Universität Bochum (Germany)
• 11/2024: Oberwolfach seminar Exponential Motives, MFO (Germany)
• 11/2024: Galois descent for generalized monodromy data, Web-seminar on Painlevé Equations and related topics
• 09/2024: The geometry of the Fourier transform of Stokes local systems, An ode to Geometry, Unversidade de Lisboa, Lisbon (Portugal)
• 01/2024: Nearby cycles for irregular D-modules via enhanced ind-sheaves, Oberseminar Algebra und Zahlentheorie, Universität Augsburg (Germany)
• 12/2023: D-modules and the irregular Riemann-Hilbert correspondence, Seminar Number Theory and Algebraic Geometry, Katholieke Universiteit Leuven (Belgium)
• 07/2023: Field extensions, irregular singularities and constructible sheaves, Oberseminar Algebra und Theoretische Mathematik, Technische Universität Chemnitz (Germany)
• 06/2023: Ind-Sheaves and the Fourier transform of Stokes data, Microlocal sheaf theory and the work of Pierre Schapira, Universidade de Lisboa, Lisbon (Portugal)
• 05–06/2023: Program ´´The Stokes Phenomenon and its Applications in Mathematics and Physics´´, Simons Center for Geometry and Physics, Stony Brook (USA)
• 05/2023: A topological approach to D-modules and Stokes phenomena, Séminaire Mathjeunes, Jussieu, Paris (France)
• 04/2023: The notion of R-triple and various functors, Arbeitsgemeinschaft ´´Twistor D-Modules and the Decomposition Theorem´´, Mathematisches Forschungsinstitut Oberwolfach (Germany)
• 06/2022: Moderate and rapid decay nearby cycles via enhanced ind-sheaves, Algebraic Analysis and Geometry, Università degli Studi di Padova, Padua (Italy)
• 12/2021: Enhanced perverse sheaves and applications to hypergeometric systems, Séminaire Groupes, Représentations et Géométrie, IMJ-PRG, Paris (France)
• 11/2021: Betti structures of hypergeometric systems, Seminar on D-modules and applications, Universität Bayreuth (Germany)
• 10/2021: D-modules, (ir-)regular singularities and the Stokes phenomenon, RéGA (Réseau des Étudiants en Géométrie Algébrique), Institut Henri Poincaré, Paris (France)
• 09/2021: Irregular perverse sheaves II (after T. Kuwagaki), Summer School ´´Irregular Riemann–Hilbert correspondence´´, Aussois (France)
• 01/2020: Riemann–Hilbert and D-modules of pure Gaussian type, Oberseminar ,,Algebra und Theoretische Mathematik´´, Technische Universität Chemnitz (Germany)
• 05/2019: D-modules of pure Gaussian type and Fourier–Laplace transform, Conference “D-Modules and the Riemann–Hilbert correspondence”, Humboldt-Universität Berlin (Germany)
  
  

Posters

• 04/2022: Moderate and rapid decay cycles using enhanced ind-sheaves (with Brian Hepler), Conference ´´D-modules: Applications to Algebraic Geometry, Arithmetic and Mirror Symmetry´´, CIRM Luminy, Marseille (France)
  Poster PDF
• 12/2018: D-modules of pure Gaussian type and topological Laplace transform, Conference ´´D-modules, quantum geometry, and related topics´´, Research Institute for Mathematical Sciences (RIMS), Kyoto (Japan)
  Poster PDF