Kernels in digraphs with colored vertices
Fuente:
arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Accesso online: | |
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| _version_ | 1866910890123591680 |
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| author | Guevara, Mucuy-kak Hoekstra-Mendoza, Teresa I. Licona-Velazquez, Miguel |
| author_facet | Guevara, Mucuy-kak Hoekstra-Mendoza, Teresa I. Licona-Velazquez, Miguel |
| contents | In this paper, we introduce the concept of up-color kernel, which is a generalization of a kernel for vertex-colored digraphs. We give sufficient and necessary conditions for several families of digraphs to have an up-color kernel, as well as for certain products of digraphs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_18298 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Kernels in digraphs with colored vertices Guevara, Mucuy-kak Hoekstra-Mendoza, Teresa I. Licona-Velazquez, Miguel Combinatorics 05C69, 05C15, 05C20 (Primary) 05C22 (Secondary) In this paper, we introduce the concept of up-color kernel, which is a generalization of a kernel for vertex-colored digraphs. We give sufficient and necessary conditions for several families of digraphs to have an up-color kernel, as well as for certain products of digraphs. |
| title | Kernels in digraphs with colored vertices |
| topic | Combinatorics 05C69, 05C15, 05C20 (Primary) 05C22 (Secondary) |
| url | https://arxiv.org/abs/2503.18298 |