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math.QA2013★ 2 cited
Counting using Hall Algebras III. Quivers with Potentials
Jiarui Fei
For a quiver with potential, we can associate a vanishing cycle to each representation space. If there is a nice torus action on the potential, the vanishing cycles can be expresse…
math.QA2011★ 2 cited
Counting Using Hall Algebras I. Quivers
Jiarui Fei
We survey some results on counting the rational points of moduli spaces of quiver representations. We then make generalizations to Grassmannians and flags of quiver representations…