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| Main Author: | |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2605.20540 |
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| _version_ | 1866910239438143488 |
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| author | Dobner, Alexander |
| author_facet | Dobner, Alexander |
| contents | Cylindric Schur functions are a family of symmetric functions that generalize skew Schur functions. We give a short proof that skew cylindric Schur functions expand positively in terms of non-skew cylindric Schur functions. In particular, we show that the expansion coefficients are fusion coefficients. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_20540 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A concise proof of cylindric Schur positivity Dobner, Alexander Combinatorics 05E05, 18M20 Cylindric Schur functions are a family of symmetric functions that generalize skew Schur functions. We give a short proof that skew cylindric Schur functions expand positively in terms of non-skew cylindric Schur functions. In particular, we show that the expansion coefficients are fusion coefficients. |
| title | A concise proof of cylindric Schur positivity |
| topic | Combinatorics 05E05, 18M20 |
| url | https://arxiv.org/abs/2605.20540 |