PAPERS
-
Standard t-structures With P. J. Haine and M. Porta. Preprint
-
Characteristic cycle and wild Lefschetz theorems
(Leitfaden) With H. Hu. Preprint
-
Estimates for Betti numbers and relative Hermite-Minkowski theorem for perverse sheaves With H. Hu. Preprint
-
Bounding ramification with coherent sheaves With H. Hu. To appear in Tunisian J. Math
-
Semi-continuity for conductor divisors of étale sheaves With H. Hu. International Mathematics Research Notices, Vol. 2026 (2026)
-
The derived moduli of Stokes data With M. Porta. Preprint
-
Homotopy theory of Stokes data With M. Porta. Preprint
-
Exodromy beyond conicality With P. J. Haine and M. Porta. Preprint
-
Day's convolution for pro-∞-categories With M. Porta. Draft
-
Topological exodromy with coefficients With M. Porta. Preprint
-
Cohomological boundedness for flat bundles on surfaces and applications With H. Hu. Compositio Mathematica, Vol. 160 (2024)
-
The homotopy-invariance of constructible sheaves With P. J. Haine and M. Porta. Homology, Homotopy and Applications, Vol 25 (2023)
-
Characteristic cycle and wild ramification for nearby cycles of étale sheaves With H. Hu. J. für die Reine und Angew. Math. Vol. 776 (2021)
-
Moduli of Stokes torsors and singularities of differential equations Journal of the European Mathematical Society, Vol. 25 (2023)
-
Higher dimensional Stokes structures are rare Contemporary Mathematics, Vol. 742 (2020)
-
Skeletons and moduli of Stokes torsors Annales Scientifiques de l'ENS, Vol. 52 (2019). Video CIRM
-
Nearby slopes and boundedness for ℓ-adic sheaves in positive characteristic
-
A Boundedness theorem for nearby slopes of holonomic D-modules Compositio Mathematica, Vol. 152 (2016)
-
Sur une caractérisation des D-modules holonomes réguliers Mathematical Research Letters, Vol. 23 (2016)
-
Tensor product and irregularity for holonomic D-modules C. R. Acad. Sci. 353 (2015)
- Linéarité de la construction d'Abbes et Saito pour les connexions méromorphes
-
La Construction d’Abbes et Saito pour les Connexions Méromorphes : Aspect Formel en Dimension 1 - Publ. RIMS, Kyoto Univ. 50 (2014)
Research interests
- D-modules
- Wild ramification
- Derived Algebraic Geometry
- Seminar on homotopical methods in algebraic and arithmetic geometry
- Monthly at Henri Poincaré Institute
- Co-organized with M. Robalo and M. Yakerson
Talks
- Etale cohomology and étale homotopy. 06/25. Frankfurt.
- Ramification in geometric Langlands and non-abelian Hodge theory. 09/24. Heidelberg.
- Non abelian Hodge Theory. 06/22. Abbaye St Jacut de la Mer.
- D-modules: Applications to Algebraic Geometry, Arithmetic and Mirror Symmetry. 04/22. CIRM.
CONTACT
- Institut Mathématique de Jussieu, 4 place Jussieu, 75005 Paris
- jean-baptiste.teyssier[at]imj-prg.fr
Phd students
- Lucas Jacquier, Sorbonne Université, co-advised with Mauro Porta, 2025 - current
- Enrico Lampetti, Sorbonne Université, co-advised with Mauro Porta, 2023 - current