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EnglishLet G be a fixed collection of digraphs. Given a digraph H, a G-packing of H is a collection of vertex disjoint subgraphs of H, each isomorphic to a member of G. For undirected graphs, Loebl and Poljak have completely characterized the complexity of deciding the existence of a perfect G-packing, in the case that G consists of two graphs one of which is a single edge on two vertices. We characterize G-packing where G consists of two digraphs one of which is a single arc on two vertices.
http://hdl.handle.net/11562/409618| Titolo: | On the complexity of digraph packings |
| Autori interni: | RIZZI, ROMEO |
| Data di pubblicazione: | 2003 |
| Rivista: | INFORMATION PROCESSING LETTERS |
| Abstract: | Let G be a fixed collection of digraphs. Given a digraph H, a G-packing of H is a collection of vertex disjoint subgraphs of H, each isomorphic to a member of G. For undirected graphs, Loebl and Poljak have completely characterized the complexity of deciding the existence of a perfect G-packing, in the case that G consists of two graphs one of which is a single edge on two vertices. We characterize G-packing where G consists of two digraphs one of which is a single arc on two vertices. |
| Handle: | http://hdl.handle.net/11562/409618 |
| Appare nelle tipologie: | 01.01 Articolo in Rivista |
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