The analytic Carathéodory conjecture.
The boundary value Minkowski problem. The parametric case
The concept of cutting vectors for vector systems in the Euclidean plane.
The convex floating body.
The Painlevé III equation and the Iwasawa decomposition.
Torsion, curvature and deflection -tensors on .
Total curvature of non-differentiable curves.
Typical Convex Curves on Convex Surfaces.