A construction of dual box

• Date: 2018
• Main Author: Ovsienko, Serge
• Format: Article
• Language: English
• Published: Lugansk National Taras Shevchenko University 2018
• Subjects: box; derived category; differential graded category; 16E30,16E35
• Online Access: https://admjournal.luguniv.edu.ua/index.php/adm/article/view/890
• Journal Title: Algebra and Discrete Mathematics

Let \({\mathtt R}\) be a quasi-hereditary algebra, \({\mathscr F} (\Delta)\)  and \({\mathscr F}(\nabla)\)  its categories of good and cogood modules correspondingly. In [6] these categories were characterized as the categories of representations of some boxes \({\mathscr A}={\mathscr A}_{\Delta}\)...