3类特殊图的优美性

3类特殊图的优美性 The Gracefulness of Three Types Special Graphs 唐保祥 TANG Baoxiang 1 first-author 任韩 REN Han 2 天水师范学院数学与统计学院 天水师范学院数学与统计学院 School of Mathematics and Statistics,Tianshui Normal University School of Mathematics and Statistics,Tianshui Normal University 华东师范大学数学系 华东师范大学数学系 Department of Mathematics,East China Normal University Department of Mathematics,East China Normal University 用构造的方法给出了I（∧Cn,4）,I（Fn,4）和Pn,4的优美标号,证明了I（∧Cn,4）,I（Fn,4）和Pn,4都是优美图. The constructor method gives graceful labeling of I（∧Cn,4）,I（Fn,4）and Pn,4,thus proved that I（∧Cn,4）,I（Fn,4）and Pn,4are graceful graphs. 冠 优美图 优美标号 corona graceful graph graceful labeling 10.14188/j.1671-8836.2014.06.001 O157.5 国家自然科学基金资助项目（11171114） 2014-06-01 2021-04-01 6 60