The integral cohomology algebras of ordered configuration spaces of spheres.
The intersection of convex transversals is a convex polytope.
The inverse semigroup of partial symmetries of a convex polygon.
The isoperimetric inequality for a pentagon in and its generalization in space
The largest intersection lattice of a discriminantal arrangement.
The lattice polytope problem.
The lattices and Möbius functions of stable closed subrootsystems and Hyperplane complements for classical Weyl Groups.
The Limit Shape of Convex Lattice Polygons.
The linear control problem
The local theorem for monotypic tilings.
The lonely vertex problem.
The Lower and Upper Bound Problems for Cubical Polytopes.
The -colored composition poset.
The Magic World of Geometry - I. The Isoperimetric Problem.
The Maximum Number of Second Smallest Distances in Finite Planar Sets.
The maximum number of unit distances among points in dimension four.
The Maximum Number of Ways To Stab n Convex Nonintersecting Sets in the Plane Is 2n - 2*.
The maximum of the smallest maximal coordinate of the minimum vectors in 6-lattices equals 1.
The maximum piercing number for some classes of convex sets with the -property.
The Maximum Size of a Convex Polygon in a Restricted Set of Points in the Plane.