On point-local deformations of minimal extensions of non-serial Dynkin diagrams

• Date: 2015
• Author Affiliations: V. M. Bondarenko; I. V. Chervyakov; Yu. M. Pereguda
• Keywords: keywords
• Main Authors: Bondarenko, V. M., Chervyakov, I. V., Pereguda, Yu. M.
• Format: Article
• Language: English
• Published: Інститут математики НАН України 2015
• Online Access: https://trim.imath.kiev.ua/index.php/trim/article/view/156
• Journal Title: Transactions of Institute of Mathematics of NAS of Ukraine

In this paper we study point-local deformations of Tits quadratic forms of finite graphs. We describe all P-limiting numbers of minimal extensions ofnon-serial Dynkin dyagrams in the case when these extensions are neither usual neither extended Dynkin diagrams.