Scientific activities

Talks, seminars & workshops

An archive of research talks and lecture notes, together with seminars and workshops I help organize.

Talks and lecture notes

Talk archive

My complete chronological archive of talks, including abstracts, notes, slides and conference links, remains available at its original address.

Browse complete archive →

Teaching · Spring 2027

Perverse sheaves

Advanced course for students of the M2 Mathématiques Fondamentales programme in Paris.

Course information →

Seminars and workshops

2025–

GAT seminar, Amiens

Co-organizer with Jacques Darné of the Groups, Algebra and Topology seminar at LAMFA. Seminar programme.

2026

GRAAL meetings (Amiens–Lille)

Co-organizer of joint meetings in geometry, representations and algebra between Amiens and Lille.

2026

Workshop on Geometric Representation Theory, Amiens

29 June – 1 July 2026. Programme and abstracts.

2024

Geometric Representation Theory seminar at SLMath

Organized during the thematic programme on noncommutative algebraic geometry. Seminar archive.

2021–24

EGRET seminar, Edinburgh

Co-organized with Ben Davison and Shivang Jindal. Seminar archive.

2023

Workshop on the Isle of Skye

Vertex algebras and Hall algebras in enumerative geometry. Workshop archive.

Recorded lectures

Some of my talks are available online, including a lecture on nonabelian Hodge theory, a talk at SLMath on BPS Lie algebras, and a series on cohomological Hall algebras.