On the number of good approximations of algebraic numbers by algebraic numbers of bounded degree

On the number of good approximations of algebraic numbers by algebraic numbers of bounded degree
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关于有界代数数的代数数的良好逼近数

DOI:
10.4064/aa-89-2-97-122
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发表时间:
1999
期刊:
影响因子:
0.7
通讯作者:
Helmut Locher
Helmut Locher
中科院分区:
数学3区
文献类型:
--
作者:
Helmut Locher

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只有有限数量的解决方案。不幸的是,Thue-Siegel-Roth的基本方法是无效的,因为它没有分别提供y或H 0(β)的上界。然而,它允许给出满足(1.1)的x/y ∈ Q的数目的显式上界。Davenport和Roth([3],1955)证明了第一个结果。这个界限由Bengeri和货车der Poorten([1],1987)改进,并由Luckhardt([10],1989)独立地使用修改的证明
only a finite number of solutions. Unfortunately, the underlying method of Thue–Siegel–Roth is ineffective in the sense that it does not provide upper bounds for y or H0(β) respectively. However, it allows giving an explicit upper bound for the number of x/y ∈ Q satisfying (1.1). A first result was proved by Davenport and Roth ([3], 1955). This bound was improved by Bombieri and van der Poorten ([1], 1987) and independently by Luckhardt ([10], 1989) using the modified proof
DOI: --
发表时间: 2004
期刊: Kyushu Journal of Mathematics 58
影响因子: --
作者:
H.Kazama;K.N.Kim
通讯作者: K.N.Kim