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arXiv 2408.02527nlin.CD
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从数字反转操作中涌现的丰富动力学行为

Rich dynamical behaviors from a digital reversal operation

National Center for Scientific Research “Demokritos”, Athens, Greece(希腊国家科学研究中心“德谟克利特”);Stony Brook University, Stony Brook, NY, USA(纽约州立大学石溪分校);The Feinstein Institutes for Medical Research, Northwell Health, Manhasset, NY, USA(北well健康芬斯坦医学研究所)

Yannis Almirantis, Wentian Li

AI总结:

通过数字反转操作构建的动力学系统展现出复杂行为,包括极限环和发散轨迹,揭示了类似1089魔术和RATS迭代的数学特性。

摘要:

反复对整数加或减其数字反转,取决于哪一方更大,可以视为一个动力学系统。一方面,这种映射的三位数版本仅运行两步就是1089数学魔术问题;另一方面,这种映射可以与约翰·康威的反向加再排序(RATS)迭代以及3x+1问题(也称为科拉兹映射)相比较。我们通过数值运行此映射,发现了有趣的动力学现象,包括具有不寻常周期性和长度为8的发散轨迹的极限环。

英文摘要:

Repeatedly adding or subtracting the digital reversal to or from an integer, depending on which one is larger, can be treated as a dynamical system. On one hand, a three-digit version of this map running only two steps is the 1089 mathematical trick problem; on the other hand, this mapping can be compared to John Conway's reverse-add-then-sort (RATS) iteration, as well as the 3x+1 problem, also known as Collatz's map. We numerically run this map and find interesting dynamics, including limiting cycles with unusual periodicity and length-8 diverging trajectories.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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