K-théorie et cohomologie des champs algébriques. PhD thesis, June 1999. file.pdf

Notes sur la G-théorie rationelle des champs de Deligne-Mumford stack. Notes of my talk at the international congress on intersection theory, Blogna, December 1999. file.pdf

Dualité de Tannaka supérieure. Unpublished MPI preprint, June 2000. file.pdf

Higher categorical structures in TQFT. Lecture in MPI-Bonn, June 2000. file.dvi

Notes on non-abelian cohomology. Lecture in MSRI, January 2002. file1.pdf
file2.pdf

Homotopical algebraic geometry. Lecture in Essen, October 2002. file.pdf

Homotopical and Higher Categorical Structures in Algebraic Geometry. Habilitation thesis, May 2003. file.pdf

Homotopy types of algebraic varieties. Notes of my talk at Theory of motives, homotopy theory of varieties, and dessins d'enfants. Palo Alto, April 2004. file.pdf

Tamsamani categories, Segal categories, and applications. Notes of my talk (taken by J. Kock) at the conference n-Categories: foundations and applications. IMA, June 2004. file.pdf

A master course on algebraic stacks, (Toulouse, 2005-2006).

Hall algebras in the derived setting Notes of my talks (taken by P. Nicolas) at the conference Développements récents de la théorie des algèbres de Hall. CIRM, Novembre 2006. file.pdf

Lectures on dg-categories, for the Sedano winter school on K-theory Sedano, January 2007. file.pdf

Derived algebraic geometry, for the advanced course on Simplicial methods in higher categories CRM, Barcelona, February 2008. file.pdf