Observable concentration of mm-spaces into nonpositively curved manifolds
Observable concentration of mm-spaces into spaces with doubling measures
Obstructions to Positive Curvature on Homogeneous Bundles
Off-axis reflecting telescope with axially-symmetric optical property and its applications
Old and new about equidistant sets and generalized conics
Omega Circles
omega-Periodic graphs
On $\pmb{p}$-quermassintegral differences function
On a Convex Operator for Finite Sets
On a Duality between Metrics and $Σ$-Proximities
On a generalization of the Blaschke-Lebesgue theorem for disk-polygons
On a Hölder covariant version of mean dimension
On a method for obtaining a planar region with two equichordal points
On a spherical code in the space of spherical harmonics
On a strong version of the Kepler conjecture
On a test particle moving in an interior static spherically symmetric geometry
On affine motions and bar frameworks in general position
On arithmetic Kleinian groups generated by three half-turns
On Arnold's Problem on the Classifications of Convex Lattice Polytopes
On Asymptotic Assouad-Nagata Dimension