Perfect state transfer in NEPS of some graphs

Perfect state transfer in NEPS of some graphs
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一些图的 NEPS 中完美的状态转移

DOI:
10.1080/03081087.2018.1548555
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发表时间:
2018-11
影响因子:
1.1
通讯作者:
Zhang Shenggui
Zhang Shenggui
中科院分区:
数学3区
文献类型:
--
作者:
Zheng Shasha;Liu Xiaogang;Zhang Shenggui

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设G是一个具有邻接矩阵的图。对应于的G的转移矩阵表示为。如果存在某个时间使得具有单位模,其中u和v是G中的不同顶点,则我们说G允许从u到v的完美状态转移。本文首先证明了具有严重分解因子的非完全扩展p和(NEPS)不具有完美状态转移。然后,证明了当基中元素之和不为零时,奇距离立方体的NEPS具有完美状态转移;当且仅当基中存在一个元组使得它的坐标值为1时,偶距离立方体的NEPS具有完美状态转移.
ABSTRACT Let G be a graph with adjacency matrix . The transition matrix of G corresponding to is denoted as . If there is some time such that has unit modulus, where u and v are distinct vertices in G, then we say that G admits perfect state transfer from u to v. In this paper, we first show that a non-complete extended p-sum (NEPS) with badly decomposed factors has no perfect state transfer. And then, we prove that NEPS of a cube with odd distance has perfect state transfer when the sum of elements in its basis is not zero and that NEPS of a cube with even distance exhibits perfect state transfer if and only if there is a tuple in the basis such that it has exact one coordinate which is valued 1.
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