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arXiv:0904.4310 [math.NT]AbstractReferencesReviewsResources

Characterizing quaternion rings over an arbitrary base

John Voight

Published 2009-04-28, updated 2011-04-20Version 5

We consider the class of algebras of rank 4 equipped with a standard involution over an arbitrary base ring. In particular, we characterize quaternion rings, those algebras defined by the construction of the even Clifford algebra.

Comments: 19 pages; typos fixed and corrections made
Categories: math.NT
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