The congruence subgroup problem

@article{Raghunathan2004TheCS,
  title={The congruence subgroup problem},
  author={M. Raghunathan},
  journal={Proceedings Mathematical Sciences},
  year={2004},
  volume={114},
  pages={299-308}
}
  • M. Raghunathan
  • Published 2004
  • Mathematics
  • Proceedings Mathematical Sciences
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. 
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