Jensen's functional equation on the symmetric group $\bold{S_n}$
Johnson homomorphisms and actions of higher-rank lattices on right-angled Artin groups
Jordan blocks of Richardson classes in the classical groups and the Bala--Carter Theorem
JSJ Decompositions of Coxeter Groups
JSJ decompositions of Coxeter groups over FA subgroups
JSJ decompositions of Quadratic Baumslag-Solitar groups
JSJ decompositions: definitions, existence, uniqueness. I: The JSJ deformation space
JSJ decompositions: definitions, existence, uniqueness. II. Compatibility and acylindricity
JSJ-decompositions of finitely presented groups and complexes of groups