An algorithm that decides translation equivalence in a free group of rank two

An alternative proof of Hill's criterion of freeness for abelian groups

An alternative proof that the Fibonacci group F(2,9) is infinite

An application of the O'Nan-Scott theorem to the group generated by the round functions of an AES-like cipher

An ascending HNN extension of a free group inside SL(2,C)

An Aschbacher--O'Nan--Scott theorem for countable linear groups

An authentication scheme based on the twisted conjugacy problem

An automata theoretic approach to the generalized word problem in graphs of groups

An Automorphism of A Free Metabelian Group Without Fixed Points

An Effective Lower Bound for Group Complexity of Finite Semigroups and Automata

An elegant 3-basis for inverse semigroups

An element of order 4 in the Nottingham group at the prime 2

An elementary proof that subgroups of free groups are free

An embedding of the Bruhat-Tits building of a centralizer of a semisimple Lie-algebra element in a classical group into the Bruhat-Tits building of the latter which respects the Moy-Prasad filtrations

An Endomorphism of a Finitely Generated Residually Finite Group

An example of a non-quasiconvex subgroup of a word hyperbolic group with exotic limit set

An identification theorem for $PSU_6(2)$ and its automorphism groups

An identification theorem for the sporadic simple groups F_2 and M(23)

An Implementation of the Bestvina-Handel Algorithm for Surface Homeomorphisms

An implicit function theorem for Banach spaces and some applications