The Schur group of an abelian number field
Representation Theory
2007-10-05 v1 Rings and Algebras
Abstract
We characterize the maximum -local index of a Schur algebra over an abelian number field in terms of global information determined by the field , for an arbitrary rational prime. This completes and unifies previous results of Janusz and Pendergrass.
Cite
@article{arxiv.0710.1026,
title = {The Schur group of an abelian number field},
author = {Allen Herman and Gabriela Olteanu and Angel del Rio},
journal= {arXiv preprint arXiv:0710.1026},
year = {2007}
}
Comments
15 pages