Remnant inequalities and doubly-twisted conjugacy in free groups

Removing coincidences of maps between manifolds of different dimensions

Reparametrizations with given stop data

Representation stability, congruence subgroups, and mapping class groups

Representations of braid groups via conjugation actions on congruence subgroups

Representations of Spaces

Representations of the homotopy surface category of a simply connected space

Representations up to homotopy and Bott's spectral sequence for Lie groupoids

Resolution of coloured operads and rectification of homotopy algebras

Resolutions of moduli spaces and homological stability

Retractions of H-spaces

Retractive transfers and p-local finite groups

Ribbon Graphs and Mirror Symmetry I

Rigidification of algebras over multi-sorted theories

Rigidity and gluing for Morse and Novikov complexes

Rigidity problems in toric topology, a survey

Rings of definition of smooth and proper dg-algebras

Rings of power operations for Morava E-theories are Koszul

RO(S^1)-graded TR-groups of F_p, Z and \ell

Robot motion planning, weights of cohomology classes, and cohomology operations