Rigidity and volume preserving deformation on degenerate simplicies

Rigidity for Quasi-Mobius group actions

Rigidity of configurations of balls and points in the $N$-sphere

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

Sabitov polynomials for volumes of polyhedra in four dimensions

Scalable MWIR and LWIR optical system designs employing a large spherical primary mirror and small refractive aberration correctors

Scale-oblivious metric fragmentation and the nonlinear Dvoretzky theorem

Scaling Laws for Heat Partitioning in Terrestrial Planets During Core Formation