| 优美树的扩充 |
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| 引用本文： | 喻卫.优美树的扩充[J].井冈山大学学报（自然科学版）,2018(2):14-18. |
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| 作者姓名： | 喻卫 |
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| 作者单位： | 安徽三联学院基础部 |
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| 基金项目： | 安徽三联学院校级自然一般资助项目（kjyb2016011） |
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| 摘 要： | 在任意直径为4和5的优美树的基础上进行了研究,找到了两个法则,一个加法法则,一个乘法法则,并提出了优美树群的概念。接着又提出了优美树群中的元素的合成是可以封闭的,那么一棵优美树分解成一系列子树是否是优美的,本文给出肯定的答复。然后给出"一刀切"的判断方法去判断一些树是优美的。
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| 关 键 词： | 优美图 优美标号 树 优美树 |
| 收稿时间： | 2017/11/15 0:00:00 |
| 修稿时间： | 2018/1/8 0:00:00 |
EXPANSION OF GRACEFUL TREE |
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| YU Wei.EXPANSION OF GRACEFUL TREE[J].Journal of Jinggangshan University(Natural Sciences Edition),2018(2):14-18. |
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| Authors: | YU Wei |
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| Institution: | Department of Basic, Anhui Sanlian University, Hefei, Anhui 230601, China |
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| Abstract: | We mainly talk about the research on the graceful tress on the basis of diameter of 4 or five. We have found two rules, one is the rule of addition rule, the other is the multiplication rule. As a result, we propose the concept of graceful trees. Furthermore, we proposed that a beautiful groups of trees in the synthesis of the elements can be closed. A beautiful tree that could be broken down into a series of sub-tree is beautiful? Finally, we also give a way to judge the "one size fits all" to judge some of the trees if beautiful are not. |
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| Keywords: | graceful graph graceful labeling tree graceful tree |
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