Jean-Baptiste Teyssier

• Cohomological boundedness for flat bundles on surfaces and applications
  With H. Hu. Preprint
• The homotopy-invariance of constructible sheaves
  With P. J. Haine and M. Porta. Preprint
• Characteristic cycle and wild ramification for nearby cycles of étale sheaves
  With H. Hu. J. für die Reine und Angew. Math. Vol. 2021 (2021)
• Moduli of Stokes torsors and singularities of differential equations
  To appear at the Journal of the European Mathematical Society
• 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)

Maître de conférence
Université Sorbonne, 4 place Jussieu
Paris

jean-baptiste.teyssier[at]imj-prg.fr

(1) Singularities of flat bundles

(2) Stokes phenomenon

(3) Wild ramification

(4) Derived Algebraic Geometry

• 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.
• Irregular Riemann-Hilbert Correspondence. 09/21. Aussois.
• Wild Ramification and Irregular Singularities. 09/19. Warsaw.

A course on D-modules - Warwick 03/15
A course on irregular singularities of meromorphic connections - ETH, Zurich 10/15