-enumeration of self-complementary plane partitions.
-families of sets in general position.
-trees and normalization of pseudogroups.
1-bend 3-D orthogonal box-drawings: Two open problems solved.
3D illustrations to Chapter 8 of Cromwell's Polyhedra
3-polytopes of constant tolerance of edges
3-Sphären mit kleinen Eckenvalenzen.
50 years sets with positive reach -- a survey.
A bijection between classes of fully packed loops and plane partitions.
A bipolar theorem for L
A Bound on Local Minima of Arrangements that Implies the Upper Bound Theorem.
A Characterisation of a Simplex.
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