2005/03/05 by M S Raghunathan · 1 citation
Mathematics · #math.GR
published as Proc. Indian Acad. Sci. (Math. Sci.), Vol. 114, No. 4, November 2004, pp. 299-308 · 10 pages
arxiv created 2005/03/05 · arxiv updated 2009/12/01
This is a short survey of the progress on the congruence subgroup problem since the sixties when the first major results on the integral unimodular groups appeared. It is aimed at the non-specialists and avoids technical details.