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Galois theory and integral models of Λ-rings

Borger, James; de Smit, Bart


We show that any Λ-ring, in the sense of Riemann-Roch theory, which is finite étale over the rational numbers and has an integral model as a Λ-ring is contained in a product of cyclotomic fields. In fact, we show that the category of such Λ-rings is d

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
Source: London Mathematical society. Bulletin
DOI: 10.1112/blms/bdn024


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