一类直径为6的树的优美性  

Gracefulness of a class of Trees with Diameters 6

作　　者：严谦泰[1] Yan Qiantai(School of Mathematics and Statistics,Anyang Normal University,Anyang 455002,China)

机构地区：[1]安阳师范学院数学与统计学院,河南安阳455002

出　　处：《洛阳师范学院学报》2020年第5期1-4,共4页Journal of Luoyang Normal University

基　　金：河南省自然科学基金(0511013800);河南省教育厅自然科学基金(12A110003)。

摘　　要：研究了一类直径为6的树的优美性,给出其优美标号,奇优美标号和k-优美标号,证明这类图是优美图,奇优美图和k-优美图.This paper studies the gracefulness of a class of trees with a diameter of 6,giving its gracefulness labeling,odd gracefulness labeling,and k-gracefulness labeling.It is proved that its graph of gracefulness is graceful graph,odd graceful graph and k-gracefulness graph.

关 键 词：优美标号 奇优美标号 k-优美标号 优美图 奇优美图 K-优美图 

分 类 号：O157.5[理学—数学]