-trees and normalization of pseudogroups.
1-bend 3-D orthogonal box-drawings: Two open problems solved.
3-polytopes of constant tolerance of edges
3-Sphären mit kleinen Eckenvalenzen.
A Bound on Local Minima of Arrangements that Implies the Upper Bound Theorem.
A Characterisation of a Simplex.
A characterization of compact convex polyhedra in hyperbolic 3-space.
A characterization of compact convex polyhedra in hyperbolic 3-space (Corrigendum).
A classification of perfect 4-solids.
A combinatorial curvature flow for compact 3-manifolds with boundary.
A combinatorial proof of a formula for Betti numbers of a stacked polytope.
A combinatorial theorem for a symmetric triangulation of the sphere
A combinatorial theory of Grünbaum's new regular polyhedra, Part I: Grünbaum's new regular polyhedra and their automorphism group.
A conjecture on convex polyhedra.
A conjugate direction method for approximating the analytic center of a polytope.
A construction for periodically-cyclic Gale -polytopes.
A Criterion for the Affine Equivalence of Cell Complexes in Rd and Convex Polyhedra in Rd+1 .
A. D. Alexandrov's uniqueness theorem for convex polytopes and its refinements.
A Decomposition of 2-Weak Vertex-Packing Polytopes.
A Dissection of Rhombic Triacontahedron