Homological properties of piecewise hereditary algebras
MFO Scientific ProgramResearch in Pairs 2009
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Let $\Lambda$ be a finite dimensional algebra over an algebraically closed field $k$. We will investigate homological properties of piecewise hereditary algebras $\Lambda$. In particular we give lower and upper bounds of the strong global dimension, show the behavior of the strong global under one point extensions and tilting. Moreover we show that the pieces of mod $\Lambda$ have Auslander-Reiten sequence.