Abstract
In this paper we study the Cartan matrix associated to the Ext-projective stratifying system induced by a basic and τ -rigid object M in mod ( A ) by means of the g -vectors of the indecomposable direct summands of M . In particular we show that the Cartan group of a stratifying system associated to a τ -rigid module can be calculated directly using these vectors. Moreover we characterise the stratifying systems coming from τ -rigid modules that have a diagonal Cartan matrix.
Full Text 
Sign-in/Register to access full text options
Sign-in/Register to access full text options 
Published version (
Free)
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
