"Bounded generation of SL 2 over rings of S-integers with infinitely ma" by Aleksander V. Morgan, Andrei S. Rapinchuk et al.
 

Bounded generation of SL 2 over rings of S-integers with infinitely many units

Article Type

Research Article

Publication Title

Algebra and Number Theory

Abstract

Let be the ring of S-integers in a number field k. We prove that if the group of units × is infinite then every matrix in Γ = SL 2 (O) is a product of at most 9 elementary matrices. This essentially completes a long line of research in this direction. As a consequence, we obtain a new proof of the fact that Γ is boundedly generated as an abstract group that uses only standard results from algebraic number theory.

First Page

1949

Last Page

1974

DOI

10.2140/ant.2018.12.1949

Publication Date

1-1-2018

Comments

All Open Access, Green

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