Skip to content

On the m-torsion Subgroup of the Brauer Group of a Global Field

Wen-Chen Chi, Hung-Min Liao, Ki-Seng Tan

math.NTarXiv:math/0701052

Abstract

In this note, we give a short proof of the existence of certain abelian extension over a given global field K. This result implies that for every positive integer m, there exists an abelian extension L/K of exponent m such that the m-torsion subgroup of (K) equals (L/K).

Create a lesson