The classification of serial posets with the non-negative quadratic Tits form being principal
Using (introduced by the first author) the method of (min, max)-equivalence, we classify all serial principal posets, i.e. the posets \(S\) satisfying the following conditions: (1) the quadratic Tits form \(q_S(z)\colon\mathbb{Z}^{|S|+1}\to\mathbb{Z}\) of \(S\) is non-negative; (2) \({\rm Ker}\,q...
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| Date: | 2019 |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Published: |
Lugansk National Taras Shevchenko University
2019
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| Subjects: | |
| Online Access: | https://admjournal.luguniv.edu.ua/index.php/adm/article/view/1393 |
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| Journal Title: | Algebra and Discrete Mathematics |