| 具有较小秩的带号图的刻画 |
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| 引用本文： | 苏莉,李红海,陈春芳.具有较小秩的带号图的刻画[J].浙江大学学报(理学版),2013,40(6):611-617. |
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| 作者姓名： | 苏莉 李红海 陈春芳 |
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| 作者单位： | 江西师范大学数信学院,江西南昌330022 |
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| 基金项目： | Foundation item： Supported by the Young Growth Foundation of Jiangxi Normal University（No. 4555）; National Natural Sciences Foundation of China（No. 11201198 and No. 11026143）; Natural Science Foundation of jiangxi Province（No. 20132BAB201013）; The sponsored Program for Cultiruting Youths of Outstanding Ability in Jiangxi Normal University. |
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| 摘 要： | 带号图是每条边带有符号（正或负）的简单图.探讨了带号图的秩，刻画了秩为2与3的带号图，以及秩为4的带号二部图.
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| 关 键 词： | 带号图 二部图 秩 零度 |
| 收稿时间： | 2012-11-09 |
A characterization of signed graphs with small rank |
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| SU Li,LI Hong-hai,CHEN Chun-fang.A characterization of signed graphs with small rank[J].Journal of Zhejiang University(Sciences Edition),2013,40(6):611-617. |
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| Authors: | SU Li LI Hong-hai CHEN Chun-fang |
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| Institution: | (College of Mathematics and Information Science, Jiangxi Normal University, Nanchang 330022, China) |
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| Abstract: | A signed graph is a simple graph in which every edge has been declared positive or negative. The rank of signed graphs is investigated. Signed graphs of rank 2 and 3 and signed bipartite graphs of rank 4 are characterized. |
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| Keywords: | signed graph bipartite graph rank nullity |
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