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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/2511.06258 |
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| _version_ | 1866918192330309632 |
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| author | Wang, Pei Zhuge, Changjing |
| author_facet | Wang, Pei Zhuge, Changjing |
| contents | This paper studies the restriction multiplicities of half-diagram modules for the partition algebra and their geometric interpretations. By specializing the Bowman-De Visscher-Orellana formula [BVC, Theorem 4.3] for restriction multiplicities of standard modules in the partition algebra, we compute these multiplicities and provide interpretations in terms of planar triangles and conic sections. Additionally, through the decomposition of half-diagrams, we explain the intrinsic reasons underlying this connection between geometry and algebra. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_06258 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Half-Diagrams in Partition Algebras: A Geometric Perspective on Multiplicities Wang, Pei Zhuge, Changjing Representation Theory Combinatorics 16D90, 16G10, 16E20 This paper studies the restriction multiplicities of half-diagram modules for the partition algebra and their geometric interpretations. By specializing the Bowman-De Visscher-Orellana formula [BVC, Theorem 4.3] for restriction multiplicities of standard modules in the partition algebra, we compute these multiplicities and provide interpretations in terms of planar triangles and conic sections. Additionally, through the decomposition of half-diagrams, we explain the intrinsic reasons underlying this connection between geometry and algebra. |
| title | Half-Diagrams in Partition Algebras: A Geometric Perspective on Multiplicities |
| topic | Representation Theory Combinatorics 16D90, 16G10, 16E20 |
| url | https://arxiv.org/abs/2511.06258 |