Introduction to Nori motives

par Swann Tubach (Sorbonne Université / IMJ-PRG)

mercredi 10 juin 2026, 15:30 → 16:45 Europe/Paris

Salle Pierre Grisvard (Institut Henri Poincaré)

Let k be a subfield of the complex number. "Being a Nori motive is the best structure one can put on the singular cohomology of the complex points of an algebraic variety over k." I will try to give a precise meaning to this sentence by defining Nori motives and explain its main properties.