On posets of width two with positive Tits form

• Published in: Algebra and Discrete Mathematics
• Date: 2005
• Main Authors: Bondarenko, V.M., Styopochkina, M.V.
• Format: Article
• Language: English
• Published: Інститут прикладної математики і механіки НАН України 2005
• Online Access: https://nasplib.isofts.kiev.ua/handle/123456789/156619
• Journal Title: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Cite this: On posets of width two with positive Tits form / V.M. Bondarenko, M.V. Styopochkina // Algebra and Discrete Mathematics. — 2005. — Vol. 4, № 2. — С. 2–35. — Бібліогр.: 21 назв. — англ.

We give a complete description of the finite posets
 of width two with the Tits form to be positive. This problem arises
 in studying the categories of representations of posets of finite type.