Citizen science in practice and theory : Building on the case of Plankton Planet

Thesis defended on Dec. 9, 2025; Thesis Committee: S. Ruphy, A. Barberousse, K. C. Elliott, S. Leonelli, J.-O. Irisson.

L’interaction entre visualisation et conceptualisation en mathématiques : le cas des diagrammes infinis

Thesis in its 4th year.