Symmetric Dyck paths and q-Narayana numbers
Fuente:
arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866911371600330752 |
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| author | Cigler, Johann |
| author_facet | Cigler, Johann |
| contents | We show that the q-Narayana numbers for q=-1 count symmetric Dyck paths according to the number of their valleys. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_08366 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Symmetric Dyck paths and q-Narayana numbers Cigler, Johann Combinatorics 05A10, 05A30, 11B65 We show that the q-Narayana numbers for q=-1 count symmetric Dyck paths according to the number of their valleys. |
| title | Symmetric Dyck paths and q-Narayana numbers |
| topic | Combinatorics 05A10, 05A30, 11B65 |
| url | https://arxiv.org/abs/2601.08366 |