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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2501.13708 |
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| _version_ | 1866913662293245952 |
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| author | Barré, Sylvain Oukrid, Othmane Pichot, Mikaël |
| author_facet | Barré, Sylvain Oukrid, Othmane Pichot, Mikaël |
| contents | Ring puzzles are tessellations of the Euclidean plane respecting local constraints around vertices. Such puzzles may arise in geometric group theory, for example, as embedded flat planes in certain CAT(0) complexes of dimension 2. In the present paper, we solve the odd ring puzzle problem, which is associated with the unique odd Moebius--Kantor CAT(0) complex by the method of Sidon sequences. We prove that there are precisely three families of such puzzles, two uncountable families, and a finite family of twelve exceptional puzzles. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_13708 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The odd triangle ring puzzle problem Barré, Sylvain Oukrid, Othmane Pichot, Mikaël Combinatorics Ring puzzles are tessellations of the Euclidean plane respecting local constraints around vertices. Such puzzles may arise in geometric group theory, for example, as embedded flat planes in certain CAT(0) complexes of dimension 2. In the present paper, we solve the odd ring puzzle problem, which is associated with the unique odd Moebius--Kantor CAT(0) complex by the method of Sidon sequences. We prove that there are precisely three families of such puzzles, two uncountable families, and a finite family of twelve exceptional puzzles. |
| title | The odd triangle ring puzzle problem |
| topic | Combinatorics |
| url | https://arxiv.org/abs/2501.13708 |