An elementary question of Erdős and Graham
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866915219359399936 |
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| author | Hegyvári, Norbert |
| author_facet | Hegyvári, Norbert |
| contents | Let $A_k=\{r(k-r): 1\leq r \leq k-1\}$. Erd\H os and Graham asked about the cardinality of the set of common elements. We answer this elementary question and apply our result to a sum-product type result. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_24201 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An elementary question of Erdős and Graham Hegyvári, Norbert History and Overview Combinatorics 11B75 Let $A_k=\{r(k-r): 1\leq r \leq k-1\}$. Erd\H os and Graham asked about the cardinality of the set of common elements. We answer this elementary question and apply our result to a sum-product type result. |
| title | An elementary question of Erdős and Graham |
| topic | History and Overview Combinatorics 11B75 |
| url | https://arxiv.org/abs/2503.24201 |