Changxin Ding

Papers

1. Matroid correspondence
   with Colin Crowley, Haoxi Hu, Arvind Kumar, Jonathan Montaño, Thai Thanh Nguyen, Anna Shapiro, Noah Solomon, Botong Wang, Juliet Whidden
   preprint available on arxiv, 2026.
2. A polyhedral approach to homotopy theorems in matroid theory
   with Donggyu Kim
   preprint available on arxiv, 2026.
3. Pseudo-orientable ribbon graphs: Matrix--Quasi-tree Theorem and log-concavity
   with Donggyu Kim
   preprint available on arxiv, 2026.
4. Grassmann-Plücker functions for orthogonal matroids
   with Donggyu Kim
   preprint available on arxiv, 2026.
5. The Jacobian of a sixth-root-of-unity matroid
   with Matt Baker and Xu Zhuang
   Annals of Combinatorics, 2026.
6. The Jacobian of a regular orthogonal matroid and torsor structures on spanning quasi-trees of ribbon graphs
   with Matt Baker and Donggyu Kim
   Advances in Mathematics, 2026.
7. A consistent sandpile torsor algorithm for regular matroids
   with Alex McDonough, Lilla Tóthmérész, and Chi Ho Yuen
   European Journal of Combinatorics, 2025.
8. Csikvári's poset and Tutte polynomial
   Discrete Mathematics, 2025.
9. A framework unifying some bijections for graphs and its connection to Lawrence polytopes
   Combinatorial Theory, 2025.
10. Geometric bijections between spanning subgraphs and orientations of a graph
    Journal of the London Mathematical Society, 2023.
11. The rotor-routing torsor and the Bernardi torsor disagree for every non-planar ribbon graph
    Electronic Journal of Combinatorics, 2021.
12. The equality cases for the inequalities of Oppenheim and Schur for positive semi-definite matrices
    with Xiaodong Zhang
    Czechoslovak Mathematical Journal, 2009.