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math.RT2011
Semi-Invariants for Gentle String Algebras
Andrew T. Carroll, Jerzy Weyman
In this article we give an algorithm for determining the generators and relations for the rings of semi-invariant functions on irreducible components of representation spaces for g…
math.RT2011★ 7 cited
Generic decompositions and semi-invariants for string algebras
Witold Kraśkiewicz, Jerzy Weyman
We investigate the rings of semi-invariants for tame string algebras A(n) of non-polynomial growth. We are interested in dimension vectors of band modules. We use geometric techniq…