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关于0-可旋转树 被引量:3

ON 0-ROTATABLE TREES
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摘要 得到一种构造0-可旋转树的方法,证明了:若树T(n)和T(m)均为0-可旋转树,则每棵树(T(m)ΔT(n))uj(j[1,n])都是0-可旋转树.确定了无穷多0-可旋转树. If trees T(n) and T(m) are 0-rotatable trees,then each tree(T(m)ΔT(n))uj(j) is 0-rotatable tree.The above conclusion is proved by constructive method.Thus,a constructive method for building 0-rotatable tree is given,and an infinite number of 0-totatable trees are determined using this method.
出处 《华南师范大学学报(自然科学版)》 CAS 北大核心 2011年第4期54-57,共4页 Journal of South China Normal University(Natural Science Edition)
基金 国家自然科学基金项目(61163054 61163037)
关键词 优美标号 0-可旋转树 强0-可旋转树 graceful labeling 0-rotatable trees strongly 0-rotatable trees
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  • 1张忠辅,陈祥恩,李敬文,姚兵,吕新忠,王建方.关于图的邻点可区别全染色[J].中国科学(A辑),2004,34(5):574-583. 被引量:192
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