The dib-chromatic number of digraphs
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
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| _version_ | 1866911496918794240 |
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| author | Javier-Nol, Nahid Rubio-Montiel, Christian Torres-Ramos, Ingrid |
| author_facet | Javier-Nol, Nahid Rubio-Montiel, Christian Torres-Ramos, Ingrid |
| contents | We study an extension to directed graphs of the parameter called the $b$-chromatic number of a graph in terms of acyclic vertex colorings: the dib-chromatic number. We give general bounds for this parameter. We also show some results about tournaments and regular digraphs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2411_14248 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The dib-chromatic number of digraphs Javier-Nol, Nahid Rubio-Montiel, Christian Torres-Ramos, Ingrid Combinatorics 05C15, 05C20 We study an extension to directed graphs of the parameter called the $b$-chromatic number of a graph in terms of acyclic vertex colorings: the dib-chromatic number. We give general bounds for this parameter. We also show some results about tournaments and regular digraphs. |
| title | The dib-chromatic number of digraphs |
| topic | Combinatorics 05C15, 05C20 |
| url | https://arxiv.org/abs/2411.14248 |