

General audience presentation - The quadratic equation revisited
By Bernd Sturmfels


René Thom’s Catastrophe Theory and the Quantum Theory of Atoms in Molecules
By Cherif Matta


The geometric ideas of René Thom related to manifolds with singularities
By Dennis Sullivan


The gap between theory and experience: evolution of a problem from morphogenesis to semiophysics
By Sara Franceschelli