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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.RT2013
Counting using Hall Algebras II. Extensions from Quivers
Jiarui Fei
We count the -rational points of GIT quotients of quiver representations with relations. We focus on two types of algebras -- one is one-point extended from a quiver…