Catherine Houdement

Catherine Houdement is an emeritus professor at the University of Rouen, France. Her research in mathematics didactics focuses on semiotic issues.

Cécile de Hosson is a professor at Université Paris Cité, France. Her current research questions the links between scientific learning and comics.

Christophe Hache is a lecturer at Université Paris Cité, France. His research focuses on language issues in the teaching and learning of mathematics.