Talks and working groups
Talks I have given, and working groups I have organized or taken part in. Slides and notes are linked when available.
Talks
A homotopy coherent cellular nerve for bicategories I
Expository talk on A. Campbell, A homotopy coherent cellular nerve for bicategories.
Towards a bigraded (co)homology theory for real algebraic varieties
Algebra seminar of the Laboratoire de Mathématiques de Lens
·Université d'Artois, Lens
·April
The homotopy theory of cartesian 2-fibrations
Deep learning working group of the LML
·Université d'Artois, Lens
·April
Fondements mathématiques de l'apprentissage par renforcement
Journées de Géométries Poitiers-Angers
·Université de Poitiers
A model structure for 2-fibrations
Mathematics in the Southern Cone II
·Universidad de la República, Montevideo
A model structure for Grothendieck 2-fibrations
-isovariant simplicial homotopy in real algebraic geometry
Dynamical systems and geometry seminar of the LAREMA
·Université d'Angers
Simplicial isovariant homotopy theory
Working group “The real cycle map” of the LMBA
·Université de Bretagne Occidentale, Brest
Sheaf cohomology
Witt rings
Online workgroup “-connected components” of the ANR project HQDIAG
·École normale supérieure de Lyon
·15 and 22 June
-connected components II
On pages 349–354 of C. Balwe, A. Hogadi and A. Sawant, -connected components of schemes.
Working group “Géométrie réelle, motifs et -homotopie” of the ANR project HQDIAG
·École normale supérieure de Lyon
·15 April
Stable homotopy theory of the real étale site
On sections 2 and 3 of T. Bachmann, Motivic and real étale stable homotopy theory.
Working group “Higher category theory” of the LMBA
·Université de Bretagne Occidentale, Brest
Simplicial categories, Segal spaces and quasi-categories
PhD students' seminar of the LMBA
·Université de Bretagne Occidentale, Brest
Universal homotopy theories (after Daniel Dugger)
Electronic Computational Homotopy Theory (eCHT) seminar
·Wayne State University, Detroit
On the homology spectral sequence of a cosimplicial space
Working groups
Rencontre 2026 de topologie algébrique, Institut Fourier, Grenoble
·Speaker
One-day working group for young researchers that opened the conference: presheaf categories, Cisinski's theory, and -quasi-categories, and Campbell's homotopy coherent nerve for bicategories.
The real cycle map
LMBA, Université de Bretagne Occidentale, Brest
·Co-organizer, with Pierre Martinez
LMBA, Université de Bretagne Occidentale, Brest
·Co-organizer, with Pierre Martinez and Johannes Huisman
Models of -categories (simplicial categories, Segal spaces, complete Segal spaces, quasi-categories), following Julia Bergner's book. Most sessions were recorded.