一类含有2n个非零元的极小谱任意符号模式

吴西栋, 邵燕灵



一类含有2个非零元的极小谱任意符号模式

吴西栋, 邵燕灵*

(中北大学 理学院, 山西 太原, 030051)

符号模式; 谱任意; 幂零—雅可比方法; 蕴含幂零

2 有关结论

[10][11] Lyn Noquil Semea, South China Sea Disputes: How Different Domestic Dynamics Impact on Contemporary Philippine Political and Economic Relations with China, Norwegian University, Master Thesis, 2015, p. 26，pp. 23-24．

逐次按最后一行展开可得:

引理2得证.

3 主要结果

证明 由引理1、引理2及引理3可知定理1得证.

是谱任意的相矛盾;

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A class of minimally spectrally arbitrary patterns with 2nonzero entries

WU XiDong, SHAO YanLing

(School of Science, North University of China, Taiyuan 030051, China)

sign pattern; spectrally arbitrary; Nilpotent-Jacobian method; potentially nilpotent

10.3969/j.issn.1672-6146.2014.03.001

O 157

1672-6146(2014)04-0001-05

email: ylshao@nuc.edu.cn.

email: wuxidong123.2008@163.com.

2014-06-13

国家自然科学基金 (11071227); 山西省回国留学人员科研项目(12-070).

(责任编校:刘晓霞)