Galois theory and integral models of Λ-rings
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
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|Source:||London Mathematical society. Bulletin|
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