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math.AG2026
Euler Characteristics of Generic Quiver Grassmannians: Semi-Invariants and Localization
Jiarui Fei
We study the topological Euler characteristic of the quiver Grassmannian for a generic representation. We give a Chern class formula and a finite torus-localization formula. If the…
math.AG2010★ 6 cited
Moduli of Representations I. Projections from Quivers
Jiarui Fei
We use categorical method and birational geometry to study moduli spaces of quiver representations. From certain "representable" functor, we construct a birational transformation f…