Thin MC left regular bands
Fuente:
arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866908660806975488 |
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| author | Dermenjian, Aram |
| author_facet | Dermenjian, Aram |
| contents | We define MC left regular bands and study their adjacency graphs. We prove that for thin MC left regular bands, the adjacency graph is particularly nice and is represented by edge labeled graphs where every simple cycle has an even number of edges. Conversely, we define a set of graphs which we call thin LRB graphs which encode rank two thin MC left regular bands. Along the way, we provide a criterion for showing when the face poset of a left regular band is a meet-semilattice. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_13130 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Thin MC left regular bands Dermenjian, Aram Combinatorics 20M25, 06F05, 05C25, 05C90 We define MC left regular bands and study their adjacency graphs. We prove that for thin MC left regular bands, the adjacency graph is particularly nice and is represented by edge labeled graphs where every simple cycle has an even number of edges. Conversely, we define a set of graphs which we call thin LRB graphs which encode rank two thin MC left regular bands. Along the way, we provide a criterion for showing when the face poset of a left regular band is a meet-semilattice. |
| title | Thin MC left regular bands |
| topic | Combinatorics 20M25, 06F05, 05C25, 05C90 |
| url | https://arxiv.org/abs/2410.13130 |