Developments on the congruence subgroup problem after the work of Bass, Milnor and Serre

TL;DR

This survey reviews recent progress on the congruence subgroup and metaplectic problems, highlighting developments following the foundational work of Bass, Milnor, and Serre in the field of algebraic groups and number theory.

Contribution

It provides a comprehensive overview of advancements in the congruence subgroup problem and metaplectic issues post the key contributions of Bass, Milnor, and Serre.

Findings

Summarizes key developments in the congruence subgroup problem.

Highlights progress on metaplectic problems.

Connects recent results to foundational work of Bass, Milnor, and Serre.

Abstract

In this survey article we give an overview of the developments on the congruence subgroup and the metaplectic problems after the work of Bass, Milnor and Serre.