Singularity confinement and chaos in two-dimensional discrete systems

Singularity confinement and chaos in two-dimensional discrete systems
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二维离散系统中的奇异性限制和混沌

DOI:
10.1088/1751-8113/49/23/23lt01
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发表时间:
2016
期刊:
Journal of Physics A: Mathematical and Theoretical
影响因子:
--
通讯作者:
Tetsuji Tokihiro
Tetsuji Tokihiro
中科院分区:
--
文献类型:
--
作者:
Masataka Kanki;Takafumi Mase;Tetsuji Tokihiro

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我们提出了一个准可积的二维晶格方程:即,偏差分方程,满足测试的可积性,奇点限制,虽然它有一个混乱的方面,在这个意义上说,它的迭代次数呈指数增长。通过系统地约化到一维系统,给出了一族具有限制奇点但具有正代数熵的常差分方程,其中包含Hietarinta-Viallet映射的推广形式.我们相信,这是第一个例子,这样的准可积方程定义在一个二维晶格。
We present a quasi-integrable two-dimensional lattice equation: ie, a partial difference equation which satisfies a test for integrability, singularity confinement, although it has a chaotic aspect in the sense that the degrees of its iterates exhibit exponential growth. By systematic reduction to one-dimensional systems, it gives a hierarchy of ordinary difference equations with confined singularities, but with positive algebraic entropy including a generalized form of the Hietarinta–Viallet mapping. We believe that this is the first example of such quasi-integrable equations defined over a two-dimensional lattice.
致编辑的信:丢番图可积性
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影响因子: --
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