Abstract
§ 1. Introduction. We have seen in Chapter III that to any given irrational number ξ, there correspond infinitely many rational numbers p/q, such that |ξ − p/q| <1/q2. From this follows Dirichlet’s theorem that corresponding to any given irrational number ξ, there exist infinitely many pairs of integers p and q, such that qξ differs from p by as little as we please. For given ε, 0<ε<1, we consider the integer 1 + [1/ε]. Since there exist infinitely many rationals p/q, such that |qξ − pl<1/q, it follows that there exist infinitely many fractions p/q, with denominator q ≥ 1 + [1/ε], for which we have |qξ − p|<1/q<ε.
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© 1968 Springer-Verlag Berlin · Heidelberg
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Chandrasekharan, K. (1968). Weyl’s theorems on uniform distribution and Kronecker’s theorem. In: Introduction to Analytic Number Theory. Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen mit besonderer Berücksichtigung der Anwendungsgebiete, vol 148. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-46124-8_8
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DOI: https://doi.org/10.1007/978-3-642-46124-8_8
Publisher Name: Springer, Berlin, Heidelberg
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Online ISBN: 978-3-642-46124-8
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