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P_2×P_n的最优pebbling数(英文)

The Optimal Pebbling Number of P_2×P_n
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摘要 一个pebbling移动是从一个顶点移走两个pebbles,而把其中的一个移到与其相邻的一个顶点上.图G的最优pebbling数fopt(G)是最小的正整数n,使得把n个pebble恰当地放置在G的顶点上,总可以通过一系列的pebbling移动把一个pebble移到任何一个指定的顶点v上.文章给出了一个比较简单的P2×Pn的最优pebbling数的证明. A pebbling move is taking two pebbles off one vertex and then placing one on an adjacent vertex. The opti- mal pebbling number tip,(G) is the least positive integer n such that n pebbles are placed suitably on vertices of G and for any specified vertex v of G, we can move one pebble to v by a sequence of pebbling moves. In this paper, we provide a simpler proof of the optimal pebbling number of P2 ×Pn.
作者 刘梅 叶永升
出处 《淮北师范大学学报(自然科学版)》 CAS 2012年第2期1-4,共4页 Journal of Huaibei Normal University:Natural Sciences
基金 Anhui Provincial Natural Science Foundation(2010SQRL136ZD,1208085QF119)
关键词 笛卡尔积 PEBBLING数 path Cartesian product pebbling number
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参考文献8

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