A horizontal mesh algorithm for posets with positive Tits form
Following our paper [Fund. Inform. 136 (2015), 345--379], we define a~horizontal mesh algorithm that constructsa~$\widehat{\Phi}_I$-mesh translation quiver $\Gamma(\widehat{\CR}_I,\widehat{\Phi}_I)$ consisting of$\widehat{\Phi}_I$-orbits of the finite set $\widehat{\CR}_I=\{v\in\mathbb{Z}^I\; ;\;\...
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| Дата: | 2016 |
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| Автори: | , , , |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Lugansk National Taras Shevchenko University
2016
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| Теми: | |
| Онлайн доступ: | https://admjournal.luguniv.edu.ua/index.php/adm/article/view/130 |
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| Назва журналу: | Algebra and Discrete Mathematics |
Репозитарії
Algebra and Discrete Mathematics| Резюме: | Following our paper [Fund. Inform. 136 (2015), 345--379], we define a~horizontal mesh algorithm that constructsa~$\widehat{\Phi}_I$-mesh translation quiver $\Gamma(\widehat{\CR}_I,\widehat{\Phi}_I)$ consisting of$\widehat{\Phi}_I$-orbits of the finite set $\widehat{\CR}_I=\{v\in\mathbb{Z}^I\; ;\;\widehat{q}_I(v)=1\}$ of Tits roots of a~poset $I$ with positivedefinite Tits quadratic form $\widehat q_I:\mathbb{Z}^I \to \mathbb{Z}$. Under the assumption that $\widehat q_I:\mathbb{Z}^I \to \mathbb{Z}$ is positive definite, the algorithm constructs $\Gamma(\widehat{\CR}_I,\widehat{\Phi}_I)$ such that it is isomorphic with the $\widehat{\Phi}_D$-mesh translation quiver $\Gamma({\CR}_D,{\Phi}_D)$ of $\widehat{\Phi}_D$-orbits of the finite set ${\CR}_D$ of roots of a simply laced Dynkin quiver $D$ associated with $I$. |
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