Ramseyan variations on symmetric subsequences
A theorem of Dekking in the combinatorics of words implies that there exists an injective order-preserving transformation \(f : {\{0,1,\ldots,n\}}\rightarrow {\{0,1,\ldots,2n\}}\) with the restriction \(f(i+1)\le f(i) + 2\) such that for every 5-term arithmetic progression \(P\) its image \(f(P)\)...
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| Date: | 2018 |
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| Main Author: | |
| Format: | Article |
| Language: | English |
| Published: |
Lugansk National Taras Shevchenko University
2018
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| Subjects: | |
| Online Access: | https://admjournal.luguniv.edu.ua/index.php/adm/article/view/1147 |
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| Journal Title: | Algebra and Discrete Mathematics |