Representation Directed Algebras
Themen
|dim soc M - dim top M| ≤ 6
Minimal number of cycles in coefficient quivers
Actual peaks, Secret peaks
Number of sincere roots (one - many)
Schofield induction
General Knowledge
Essential roots
(These are positive roots with no zero entry and such that neighboring numbers are different)
List
of the 18 essential roots for hereditary (rep finite) algebras
Short List (updated 10/18/07)
pdf-file
Zusatz-Aufgaben
MS Realisierungen von Armen
Tilting
BH Realisierungen von N
Algebren als Kategorien.
AB Zahm-verkleidete Algebren mit einer zusaetzlichen Relation 1 ... 1
TR Maximale Wurzeln einer schwach-positiven ganzen Form (die zwei Faelle)
SH Der Satz von Kleiner
|σ
i
x-x| ≤ 1
Literatur
Großkreutz, Holger: Minimal sincere modules of representation directed algebras. Diss. Bielefeld, 1994.