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N叉树上的离散时间量子随机行走
引用本文:韩琦,陆自强,韩娅楠,陈芷禾.N叉树上的离散时间量子随机行走[J].应用概率统计,2022(1).
作者姓名:韩琦  陆自强  韩娅楠  陈芷禾
作者单位:西北师范大学数学与统计学院
基金项目:The project was supported by the National Natural Science Foundation of China(Grant No.11861057).
摘    要:通过离散时间量子随机行走的框架,我们研究了在N叉树上的离散时间量子随机行走,该框架不需要硬币空间,仅仅只需要选择一个除了酉性再无其它限制的演化算子,并且包含了使用再生结构的轨道枚举和z变换.作为结果,我们在封闭形式中计算了在根处的振幅的生成函数.

关 键 词:量子行走  Z变换  轨道枚举  N叉树

Discrete-Time Quantum Random Walks on the N-ary Tree
HAN Qi,LU Ziqiang,HAN Yanan,CHEN Zhihe.Discrete-Time Quantum Random Walks on the N-ary Tree[J].Chinese Journal of Applied Probability and Statisties,2022(1).
Authors:HAN Qi  LU Ziqiang  HAN Yanan  CHEN Zhihe
Institution:(College of Mathematics and Statistics,Northwest Normal University,Lanzhou,730070,China)
Abstract:We study discrete-time quantum random walks on the N-ary tree by a framework for discrete-time quantum random walks,this framework has no need for coin spaces,it just choose the evolution operator with no constraints other than unitarity,and contain path enumeration using regeneration structures and z transform.As a result,we calculate the generating function of the amplitude at the root in closed form.
Keywords:quantum random walk  z transform  path enumeration  N-ary tree
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