Yu. Nesterenko, M. Waldschmidt
Published 2000-02-07Version 1
A sharp explicit estimate is proved for the difference $e^\beta-\alpha$ when $\alpha$ and $\beta$ are nonzero algebraic numbers.
Comments: 17 pages. See also http://www.math.jussieu.fr/~miw/articles/ps/Nesterenko.ps and http://www.math.jussieu.fr/~nesteren/
Journal: Mat. Zapiski, 2, Diophantine approximations, Moscow (1996), 23--42
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