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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/2508.04804 |
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| _version_ | 1866911095268048896 |
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| author | Chan, Patrick Tingley, Peter |
| author_facet | Chan, Patrick Tingley, Peter |
| contents | Building on our previous work in rank two, we use quiver varieties to give a combinatorial upper bound on dimensions of certain imaginary root spaces for rank 3 symmetric Kac-Moody algebras. We describe an explicit method for extracting combinatorics when the Dynkin diagram is bipartite (i.e. two of the nodes are not connected). As in rank two we believe these bounds are quite tight and we give computational evidence to this effect, although there is more error in rank 3 than in rank 2. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_04804 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Quiver varieties and root multiplicities in rank 3 Chan, Patrick Tingley, Peter Representation Theory 17B67 Building on our previous work in rank two, we use quiver varieties to give a combinatorial upper bound on dimensions of certain imaginary root spaces for rank 3 symmetric Kac-Moody algebras. We describe an explicit method for extracting combinatorics when the Dynkin diagram is bipartite (i.e. two of the nodes are not connected). As in rank two we believe these bounds are quite tight and we give computational evidence to this effect, although there is more error in rank 3 than in rank 2. |
| title | Quiver varieties and root multiplicities in rank 3 |
| topic | Representation Theory 17B67 |
| url | https://arxiv.org/abs/2508.04804 |