Counting edge-injective homomorphisms and matchings on restricted graph classes
We consider the #W[1]-hard problem of counting all matchings with exactly k edges in a given input graph G; we prove that it remains #W[1]-hard on graphs G that are line graphs or bipartite graphs with degree 2 on one side. In our proofs, we use that k-matchings in line graphs can be equivalently vi...
| Autors principals: | , , |
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| Format: | Journal article |
| Idioma: | English |
| Publicat: |
Springer Nature
2018
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Counting edge-injective homomorphisms and matchings on restricted graph classes
Publicat 2017
Conference item