一类含有2n个非零元的极小谱任意符号模式

2014-05-13吴西栋邵燕灵

湖南文理学院学报(自然科学版) 2014年4期

关键词：符号

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)