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
    arXiv

2024

  1. Preprint
    Asymptotic behaviors of moduli of one-dimensional sheaves on surfaces
    Fei Si, and Feinuo Zhang
    2024
    arXiv:2406.11512, this is split into two parts which are superseded by arXiv:2406.10004 and arXiv:2503.06153 respectively
    arXiv
  2. Preprint
    Cohomological stabilization, perverse filtrations, and refined BPS invariants for del Pezzo surfaces
    Weite Pi, Junliang Shen, Fei Si, and Feinuo Zhang
    2024
    arXiv:2406.10004, submitted
    arXiv