Journal of Jilin University Science Edition

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OddGracefulness of Coral Trees

ZHANG Mingjun1, YAO Bing2, LIANG Junrong1   

  1. 1. School of Information Engineering, Lanzhou University of Finance and Economics, Lanzhou 730020, China;2. College of Mathematics and Statistics, Northwest Normal University, Lanzhou 730070, China
  • Received:2016-05-13 Online:2017-03-26 Published:2017-03-24
  • Contact: YAO Bing E-mail:yybb918@163.com

Abstract: By gaving the concept of graceful tree, bipartite graceful tree, bipartite oddgraceful tree and oddelegant tree, we constructed a coral tree by using the method of treeaddvertex (TAV), and proved that it had the oddgraceful and oddelegant labelling.

Key words: bipartite oddgraceful tree, oddelegant tree, coral tree

CLC Number: 

  • O157.5