Rigidity of Derivations in the Plane and in Metric Measure Spaces
Rigidity of Graph Joins and Hendrickson's Conjecture
Rigidity of quasicrystallic and Z^γ-circle patterns
Rigidity of Schottky sets
Rigidity of spherical codes
Rips complexes and covers in the uniform category
Rolling of Coxeter polyhedra along mirrors
Rotations in three, four, and five dimensions
Rotations of the three-sphere and symmetry of the Clifford torus
Rough CAT(0) spaces
Rough Isometries of Lipschitz Function Spaces
Roughness of level sets of differentiable maps on Heisenberg group
Roundness properties of groups