| [a,b]-对等图的范-型条件 |
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| 引用本文： | 刘红霞,高敬振.[a,b]-对等图的范-型条件[J].大学数学,2009,25(4). |
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| 作者姓名： | 刘红霞 高敬振 |
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| 作者单位： | 1. 山东大学,数学院,济南,250100;烟台大学,数学与信息科学院,烟台,264005
2. 山东师范大学,数学院,济南,250014 |
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| 基金项目： | 烟台大学青年基金项目 |
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| 摘 要： | 既是a,b]-覆盖又是a,b]-消去的图称为a,b]-对等图.设1≤aan+1a+b,则G为a,b]-对等图.给出了一个图是a,b]-对等图的关于范-型条件及邻域并的若干充分条件,并指出定理中的条件在一定意义上是最好可能的.
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| 关 键 词： | 图 范型-条件 [a b]-因子 [a b]-对等图 邻域并 |
Fan-type Results for the Existence of [a,b]-Uniform Graphs |
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| LIU Hong-xia,GAO Jing-zhen.Fan-type Results for the Existence of [a,b]-Uniform Graphs[J].College Mathematics,2009,25(4). |
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| Authors: | LIU Hong-xia GAO Jing-zhen |
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| Abstract: | Both a,b]-covered and a,b]-deleted graphs are a,b]-uniform graphs.Let 1≤aan+1a+b.Several sufficient conditions about Fan-type condition and neighborhood union for graphs to be a,b]-uniform are given.Furthermore,we show that the results in this paper are best possible in some sense. |
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| Keywords: | graph Fan-type condition [a b]-factor uniform graph neighborhood union |
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