Groups of permutations preserving orientation (parity) of subsets of a fixed size, and related monoids
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866912200197668864 |
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| author | Fernandes, Vitor Vernitski, Alexei |
| author_facet | Fernandes, Vitor Vernitski, Alexei |
| contents | We study permutations on n elements preserving orientation (parity) of every subset of size k. We describe all groups of these permutations. Unexpectedly, these groups (except for some special cases) are either trivial, cyclic or dihedral. In this context, we define and study monoids generalizing monoids of order-preserving mappings and monoids of orientation-preserving mappings. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_05777 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Groups of permutations preserving orientation (parity) of subsets of a fixed size, and related monoids Fernandes, Vitor Vernitski, Alexei Combinatorics Group Theory 20M20, 20B05 We study permutations on n elements preserving orientation (parity) of every subset of size k. We describe all groups of these permutations. Unexpectedly, these groups (except for some special cases) are either trivial, cyclic or dihedral. In this context, we define and study monoids generalizing monoids of order-preserving mappings and monoids of orientation-preserving mappings. |
| title | Groups of permutations preserving orientation (parity) of subsets of a fixed size, and related monoids |
| topic | Combinatorics Group Theory 20M20, 20B05 |
| url | https://arxiv.org/abs/2402.05777 |