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An Improvement of Liouville’s Inequality

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Abstract

The Liouville inequality gives a lower bound for the distance between two distinct algebraic numbers in terms of their heights and their degrees. We refine the classical estimate in the special case where one of the algebraic numbers is very close to one of its Galois conjugates.

To the memory of Wolfgang Schwarz

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Correspondence to Yann Bugeaud .

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Bugeaud, Y. (2016). An Improvement of Liouville’s Inequality. In: Sander, J., Steuding, J., Steuding, R. (eds) From Arithmetic to Zeta-Functions. Springer, Cham. https://doi.org/10.1007/978-3-319-28203-9_5

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