Sections of simplices.
Separation by hyperplanes in finite-dimensional vector spaces over Archimedean ordered fields.
Shelling Pseudopolyhedra.
Simplicial convex 4-polytopes do not have the isotopy property
Some Erdös-Szekeres Type Results About Point in Space.
Some geometric probability problems involving the Eulerian numbers.
Some subpolytopes of the Birkhoff polytope.
Staircase Kernels for Orthogonal d-Polytopes.
Star polytopes and the Schläfli function f(..., ..., ...).
Sur la classification des hexagones hyperboliques à angles droits en dimension 5
The aim of this paper is to give a classification of the right-angled hyperbolic hexagons in the real hyperbolic space , by using a quaternionic distance between geodesics in .
Sur les substitution linéaires