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有向线图的特征多项式和一类同谱有向图
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有向线图的特征多项式和一类同谱有向图
有向线图的特征多项式和一类同谱有向图
Author:
国林
国宁 林
国宁 林
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1 November 1983
journal article
Published by
Science China Press., Co. Ltd.
in
Chinese Science Bulletin
Vol. 28
(22)
,
1348-1350
DOI:
10.1360/csb1983-28-22-1348
Abstract
Sachs利用关联矩阵讨论了正则无向图及其线图的特征多项式之间的关系,给出了用前者表示后者的一个公式. 由于利用有向图的关联矩阵推导平行结果有困难,本文对有向图引入了出和人关联矩阵的概念,利用它们讨论了更一般的问题,建立了用有向图(不假定正则性)的特征多项式表示其有向线图特征多项式的公式.
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