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The distribution of powers of integers in algebraic number fields

Werner Georg NowakJohannes Schoißengeier — 2004

Journal de Théorie des Nombres de Bordeaux

For an arbitrary (not totally real) number field K of degree 3 , we ask how many perfect powers γ p of algebraic integers γ in K exist, such that μ ( τ ( γ p ) ) X for each embedding τ of K into the complex field. ( X a large real parameter, p 2 a fixed integer, and μ ( z ) = max ( | Re ( z ) | , | Im ( z ) | ) for any complex z .) This quantity is evaluated asymptotically in the form c p , K X n / p + R p , K ( X ) , with sharp estimates for the remainder R p , K ( X ) . The argument uses techniques from lattice point theory along with W. Schmidt’s multivariate extension of K.F. Roth’s result on the approximation...

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