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| DIGRAPH CATEGORIES AND LINE DIGRAPH FUNCTORS |
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Citation： |
Zhang Fuji（张福基）,Li Xueliang（李学良）,Huang Qiongxiang（黄琼湘）,Liu Xin（刘新）.DIGRAPH CATEGORIES AND LINE DIGRAPH FUNCTORS[J].Chinese Annals of Mathematics B,1992,13(3):368~373 |
| Page view： 1047
Net amount： 839 |
Authors： |
Zhang Fuji（张福基）; Li Xueliang（李学良）;Huang Qiongxiang（黄琼湘）;Liu Xin（刘新） |
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| Abstract： |
The authors define line digraph functors on digraph category which are full and faithful and,as a consequence of the result,determine all homomorphisms in De Bruijn-Good graph category and automorphisms of Kautz digraph category.Moreover the authors consider a type of arc-full morphisms of digraph category such that F^n(f) is arc-full for each functor F^n,and succeeding paper [9] study the strong homomorphisms of de Bruijn-Good digraph. |
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