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图的给定匹配数的离心率距离和

Eccentric Distance Sum of Graphs with a Given Matching Number
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摘要 针对可预测生物和物理性质的图的不变量——离心率距离和,采用Tutte-Berge公式及图的转化方法,给出了图的给定匹配数的离心率距离和的紧下界,且完全确定了其极值图. Aimed at a novel graph invariant for predicting biological and physical properties named eccentric distance sum, by using the Tutte-Berge formula and the method of graph transformation, sharp lower bound for the eccentric distance sum of graphs with a given matching number, and the extremal graphs were successully determined.
出处 《天津科技大学学报》 CAS 北大核心 2015年第2期75-77,共3页 Journal of Tianjin University of Science & Technology
基金 国家自然科学基金资助项目(11001197)
关键词 离心率距离和 匹配数 极值图 eccentric distance sum matching number extremal graphs
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参考文献9

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