A Connection between the Integral Homology and the Centre of a Rational Linear Group.
A Dimension Theorem for Vectors Fixed by Unipotent Groups.
A Gauss-Bonnet formula for discrete arithmetically defined groups
A locally commutative free group acting on the plane
The purpose of this paper is to prove the existence of a free subgroup of the group of all affine transformations on the plane with determinant 1 such that the action of the subgroup is locally commutative.
A Nonvanishing Theorem for the Cuspidal Cohomology of SL2 Over Imaginary Quadratic Integers.
A remark on the irreducible characters and fake degrees of finite real reflection groups.
A simple matrix semigroup which is not completely simple.
A splitting theorem for linear polycyclic groups.
A unipotent group associated with certain linear groups
Adhérence d'orbite et invariants.
Affine lines on logarithmic Q-homology planes.
Algèbres de Clifford symplectiques et revêtements spinoriels du groupe symplectique
An Universal Invariant for Finite Groups of Linear Substitutions: with Application in the Theory of the Canonical Form of a Linear Substitution of Finite Period
Anneaux d'invariants de groupes finis Intersections complètes
Arithmetic groups and salem numbers.
Arithmetic of stabilizers of ideals in group rings.
Arithmeticity of the irreducible lattices in the semi-simple groups of rank greater than 1.
Asymptotic-group analysis of algebraic equations.
Automorphismengruppen achtdimensionaler lokalkompakter Quasikörper.