共查询到20条相似文献,搜索用时 15 毫秒
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B.A. Frasin 《Computers & Mathematics with Applications》2011,62(11):4272-4276
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Dong Han Kim 《Theoretical computer science》2011,412(29):3413-3417
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Daniel Turetsky 《Theoretical computer science》2011,412(29):3598-3603
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Let be a fixed collection of digraphs. Given a digraph H, a -packing of H is a collection of vertex disjoint subgraphs of H, each isomorphic to a member of . For undirected graphs, Loebl and Poljak have completely characterized the complexity of deciding the existence of a perfect -packing, in the case that consists of two graphs one of which is a single edge on two vertices. We characterize -packing where consists of two digraphs one of which is a single arc on two vertices. 相似文献
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