Local bases of primitive non-powerful signed digraphs

Local bases of primitive non-powerful signed digraphs
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原始非强力有向图的局部基

DOI:
10.1016/j.disc.2008.01.012
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发表时间:
2009-03
期刊:
Discret. Math.
影响因子:
--
通讯作者:
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中科院分区:
其他
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1994年,Z. Li,F. Hall和C.埃申巴赫将收敛指数的概念从非负矩阵推广到强符号模式矩阵。最近,Jiayu Shao和Lihua You研究了非幂不可约符号模式矩阵的基。本文引入了本原非幂符号有向图的局部基的概念,并得到了本原非幂符号有向图的局部基的精确界.此外,还描述了极有向图。
In 1994, Z. Li, F. Hall and C. Eschenbach extended the concept of the index of convergence from nonnegative matrices to powerful sign pattern matrices. Recently, Jiayu Shao and Lihua You studied the bases of non-powerful irreducible sign pattern matrices. In this paper, the local bases, which are generalizations of the base, of primitive non-powerful signed digraphs are introduced, and sharp bounds for local bases of primitive non-powerful signed digraphs are obtained. Furthermore, extremal digraphs are described.
DOI: 10.1002/jgt.3190140413
发表时间: 1990-07
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影响因子: --
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