Restriction of a character sheaf to conjugacy classes

Restriction to Levi subalgebras and generalization of the category O

Restrictions of generalized Verma modules to symmetric pairs

Restrictions of the Complementary Series of the Universal Covering of the Symplectic Group

Rhombus Filtrations and Rauzy Algebras

Richardson elements for classical Lie algebras

Richardson elements for parabolic subgroups of classical groups in positive characteristic

Riemann-Roch-Hirzebruch integral formula for characters of reductive Lie groups

Riesz integral representation theory

Rigid modules over preprojective algebras

Rigid objects in higher cluster categories

Rigid systems of second-order linear differential equations

Rigidity in the invariant theory of compact groups

Rigidity of formal character of Lie algebras of type A

Rigidity of tilting modules

Ring structures for holomorphic discrete series and Rankin-Cohen brackets

Ringel-Hall Algebras of Duplicated Tame Hereditary Algebras

Robinson-Schensted-Knuth insertion and characters of symmetric groups and Iwahori-Hecke algebras of type A

Rock blocks

Root Fernando-Kac subalgebras of finite type