-families of sets in general position.
3D illustrations to Chapter 8 of Cromwell's Polyhedra
50 years sets with positive reach -- a survey.
A bipolar theorem for L
A characterisation of the ellipsoid in terms of concurrent sections.
A characterization of compact convex polyhedra in hyperbolic 3-space.
A characterization of compact convex polyhedra in hyperbolic 3-space (Corrigendum).
A characterization of convex calibrable sets in with respect to anisotropic norms
A characterization of regular saddle surfaces in the hyperbolic and spherical three-space.
A Characterization of Sets of Constant Width.
A characterization of spheres among compact 3-bodies satisfying Crofton's theorem
A characterization of spheres among convex 3-bodies
A Choquet Ordering and Unique Decompositions in Convex sets of Tight Measures
A combinatorial curvature flow for compact 3-manifolds with boundary.
A Combinatorial Property of Points and Ellipsoids.
A Combinatorial Result About Points and Balls in Euclidean Space.
A compact convex set with no extreme points
A conjecture of Grünbaum on common transversals.
A conjecture on convex polyhedra.
A continuum of minimal pairs of compact convex sets which are not connected by translations.