LETTER TO THE EDITOR: Diophantine integrability

LETTER TO THE EDITOR: Diophantine integrability
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致编辑的信:丢番图可积性

DOI:
10.1088/0305-4470/38/16/l01
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发表时间:
2005
期刊:
Journal of Physics A
影响因子:
--
通讯作者:
R. Halburd
R. Halburd
中科院分区:
--
文献类型:
--
作者:
R. Halburd

文献摘要

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在数域上的离散Painlev ′ e方程的迭代的高度看起来并不比多项式增长得快,而不可积离散方程的一般解的高度则呈指数增长。这为离散方程的可积性提供了一种简单有效的数值检验方法。数值证据和理论结果。与其他测试的可积性和Vojta的字典的连接进行了讨论。
The heights of iterates of the discrete Painlev´e equations over number fields appear to grow no faster than polynomials while the heights of generic solutions of non-integrable discrete equations grow exponentially. This gives rise to a simple and effective numerical test for the integrability of discrete equations. Numerical evidence and theoretical results are presented. Connections with other tests for integrability and Vojta’s dictionary are discussed.