On the homology and cohomology of congruence subgroups

Corners and arithmetic groups

Armand Borel, J-P. Serre · Commentarii Mathematici Helvetici · 1973 · 640 citations

Coxeter Group, Geometry Of Number, Geometric Group Theory +2

Finite Factor Groups of the Unimodular Group

J. L. Mennicke · Annals of Mathematics · 1965 · 153 citations

Factor Group, Geometric Group Theory, Total Unimodularity +9

Computation of wall groups

Ronnie Lee · Topology · 1971 · 19 citations

Coxeter Group, Wall Groups, Computational Topology

On the Homology of Congruence Subgroups and <i>K</i> ₃ (Z)

Ronnie Lee, Robert H. Szczarba · Proceedings of the National Academy of Sciences · 1975 · 10 citations · Full text

Congruence Subgroups, Geometric Group Theory, Schubert Calculus +6