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Tree sign patterns that allow nilpotence of index 4 |
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| Authors: | Jun Luo Ting-Zhu Huang Zhongshan Li Lihua Zhang |
| Institution: | 1. School of Mathematical Sciences, University of Electronic Science and Technology of China, Chengdu, P.R. China.;2. Department of Mathematics, North University of China, Taiyuan, P.R. China.;3. Department of Mathematics and Statistics, Georgia State University, Atlanta, GA, USA.;4. Department of Mathematics and Statistics, Georgia State University, Atlanta, GA, USA. |
| Abstract: | |
| Keywords: | sign pattern potentially nilpotent sign pattern index of nilpotence star sign pattern double star sign pattern |