Construction of simple path graphs in transport networks: II. Analysis of graphs' biconnectivity
The problem of constructing all simple paths in an undirected graph that pairwise connect vertices from the given set is interpreted as constructing a graph that is a union of these paths. This construction relies on the computation of biconnected components and bridges of the source graph. A new al...
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| Principais autores: | , |
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| Formato: | Статья |
| Idioma: | English |
| Publicado em: |
PLEIADES PUBLISHING INC
2021
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| Assuntos: | |
| Acesso em linha: | https://dspace.ncfu.ru/handle/20.500.12258/18461 |
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| Resumo: | The problem of constructing all simple paths in an undirected graph that pairwise connect vertices from the given set is interpreted as constructing a graph that is a union of these paths. This construction relies on the computation of biconnected components and bridges of the source graph. A new algorithm which makes this computation more transparent and controllable is proposed. Its idea is to track opening and closing of chords at the depth-first search. Due to the clarity of the proposed solution, its correctness is obvious without much justification. This is its advantage over the well-known Hopcroft-Tarjan algorithm. The proposed algorithm makes self-evident the obtaining biconnected components of a graph by successive uniting its fundamental cycles that have common edges. |
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