The precise center of a crossed module

Articles in the same Issue

1. Certain classical groups are not well-defined
2. Algebraic (2, 2)-transformation groups
3. Principally separated non-separated solvable groups
4. Endo-permutation modules arising from the action of a p-group on a defect zero block
5. Generalizing Camina groups and their character tables
6. The groups with exactly one class of size a multiple of p
7. On conjugacy of unipotent elements in finite groups of Lie type
8. The precise center of a crossed module
9. On ℳ-supplemented subgroups of finite groups
10. On minimal non-abelian subgroups in finite p-groups
11. Pseudo-tori and subtame groups of finite Morley rank
12. Solving one-variable equations in free groups