Circular-arc H-graphs: Ordering Characterizations and Forbidden Patterns
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866916961136410624 |
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| author | Paul, Indrajit Das, Ashok Kumar |
| author_facet | Paul, Indrajit Das, Ashok Kumar |
| contents | We introduce the class of circular-arc H-graphs, which generalizes circular-arc graphs, particularly circular-arc bigraphs. We investigate two types of ordering-based characterizations of circular-arc r-graphs. Finally, we provide forbidden patterns for circular-arc r-graphs in terms of specific vertex orderings. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_18021 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Circular-arc H-graphs: Ordering Characterizations and Forbidden Patterns Paul, Indrajit Das, Ashok Kumar Discrete Mathematics Combinatorics 05C62, 68R10, 05C12, 05C15 We introduce the class of circular-arc H-graphs, which generalizes circular-arc graphs, particularly circular-arc bigraphs. We investigate two types of ordering-based characterizations of circular-arc r-graphs. Finally, we provide forbidden patterns for circular-arc r-graphs in terms of specific vertex orderings. |
| title | Circular-arc H-graphs: Ordering Characterizations and Forbidden Patterns |
| topic | Discrete Mathematics Combinatorics 05C62, 68R10, 05C12, 05C15 |
| url | https://arxiv.org/abs/2509.18021 |