Yao Yuan

collaborators

2 papers

math.AG2026

Lefschetz filtration and Perverse filtration on the compactified Jacobian

Yao Yuan

Let $C$ be a complex integral curve with plannar singularities. Let $J$ be the compactified Jacobian of $C$ . There are two filtrations on the cohomology group $H^{*} (J)$ . One is obta…

math.AG2024

Higher direct images of the structure sheaf via the Hilbert-Chow morphism

Yao Yuan

Let $X$ be a projective smooth surface over $C$ with $H^{2} (O_{X}) = 0$ . Let $M = M (L, I ¨ )$ be the moduli space of 1-dimensional semistable sheaves with determinant $\mat…