T(m,1)-蜘蛛树的优美性  

Gracefulness of T(m,1)-Spider Tree

作　　者：张明军 ZHANG Ming-jun(School of Information Engineering, Lanzhou University of Finance and Economics, Lanzhou 730020, Chin)

机构地区：[1]兰州财经大学信息工程学院数学系,甘肃兰州730020

出　　处：《佳木斯大学学报（自然科学版）》2016年第5期770-772,共3页Journal of Jiamusi University：Natural Science Edition

基　　金：国家自然科学基金项目(61662066);兰州财经大学教学研究项目(20140201)

摘　　要：给出了优美树、强优美树、边对称树以及对偶标号的概念,定义了T(m,1)蜘蛛树.并证明了T(m,1)蜘蛛树是强优美树,它的优美标号是对偶标号,而且T(m,1)In this paper, the concept of graceful tree, strong graceful tree, edge symmetry tree and dual label was given.T （ m, 1） -Spider tree was defined, and it was proved that T （ m, 1） -Spider tree was a strong graceful tree.Moreover, the edge symmetry tree of T （m, 1） -spider tree was also a strong graceful labe-ling.

关 键 词：优美树 强优美标号 对偶标号 边对称树 

分 类 号：O157.7[理学—数学]