Geometry of manifolds in the euclidian space and in the Minkowski space
Singularity theory and the geometry of submanifolds of the Minkowski space
New Frontiers in Singularity Theory and Bi-Lipschitz Geometry of Semialgebraic Set...
Applications of singularity theory: differential geometry and algebraic geometry
Extensions of the D'Ocagne-Koenderink Theorem to Singular Surfaces