Research

by categories in reversed chronological order.

2025

  1. Preprint
    On the Picard numbers of moduli spaces of one-dimensional sheaves on surfaces
    Fei Si, and Feinuo Zhang
    2025
    arXiv:2503.06153, submitted

2024

  1. Unpublished note
    Asymptotic Behaviors of Moduli of One-dimensional Sheaves on Surfaces
    Fei Si, and Feinuo Zhang
    2024
    arXiv:2406.11512, this is split into arXiv:2406.10004 and arXiv:2503.06153
  2. Preprint
    Cohomological stabilization, perverse filtrations, and refined BPS invariants for del Pezzo surfaces
    Weite PiJunliang ShenFei Si, and Feinuo Zhang
    2024
    arXiv:2406.10004, submitted