Abstract
Let log \(\log \left( {\left( {1 + \sqrt 5 } \right)/2} \right) \underline{\underline < } X\underline{\underline < } Y\). We prove that there exist non-denumerably many pairwise not equivalent irrational numbers α such that \(\mathop {\underline {\lim } }\limits_{n \to \infty } (1/n) log q_n (\alpha ) = X\) and \(\overline {\mathop {\lim }\limits_{n \to \infty } } (1/n) log q_n (\alpha ) = Y\) where qn(α) denotes the denominator of the nth convergent of α.
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References
C. Faivre, The Lévy constant of an irrational number, Acta. Math. Hungar., 74 (1997), 57–61.
O. Perron, Die Lehre von den Kettenbrüchen, Band 1, Teubner (Stuttgart, 1977).
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Baxa, C. On the Growth of the Denominators of Convergents. Acta Mathematica Hungarica 83, 125–130 (1999). https://doi.org/10.1023/A:1006623805374
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DOI: https://doi.org/10.1023/A:1006623805374