A Five-term Exact Sequence for Opext of Crossed Modules in Lie Algebras J. M. CasasA. M. Vieites RodrÃguez Original articles Pages: 121 - 138
On Finite Groups with a Given Number of Centralizers Ali Reza Ashrafi Original articles Pages: 139 - 146
Conjugacy Separability of Certain HNN Extensions of Conjugacy-Separable Groups P. C. WongC. K. Tang Original articles Pages: 147 - 158
Structure of Hyperbolic Unitary Groups I: Elementary Subgroups Anthony BakNikolai Vavilov Original articles Pages: 159 - 196