On the trivial extensions of tubular algebras
Tom 101 / 2004
Colloquium Mathematicum 101 (2004), 259-269
MSC: 16D50, 16G20, 16G60, 16G70.
DOI: 10.4064/cm101-2-8
Streszczenie
The aim of this note is to give an affirmative answer to a problem raised in \cite{NS} by J. Nehring and A. Skowroński, concerning the number of nonstable $\mathbb{P}_1(K)$-families of quasi-tubes in the Auslander–Reiten quivers of the trivial extensions of tubular algebras over algebraically closed fields $K$.