Che Shen  沈澈

I'm a sixth-year PhD student in mathematics at Columbia University. I'm interested in geometric representation theory. My advisor is Andrei Okounkov.

I'm on the job market in Fall 2026.

Here is my CV.

Email: che.shen [at] columbia [dot] edu

Research

• Relative Quasimaps and Tilting Module of \(U({\mathfrak{gl}}_n)\). arxiv, slides
• Affine Laumon space and contragredient dual Verma module of \(U_q(\widehat{\mathfrak{gl}}_n)\). pdf (more updated than arxiv), poster

Seminars

• Fall 2024 and Spring 2025 — Representation Theory and Categorification seminar, co-organized with Davis Lazowski, Alvaro Martinez, and Fan Zhou

Teaching Experience

Columbia University

Instructor for:

• Spring 2025 — Calculus I

Teaching Assistant for:

• Fall 2025 — Calculus II
• Fall 2024 — Calculus III
• Spring 2024 — Analysis and Optimization
• Fall 2023 — Modern Analysis
• Fall 2023 — Lie Groups and Representations

Invited Talks

• Informal Mathematical Physics Seminar, Columbia University, December 2025.
• Mathematical Physics Seminar, Perimeter Institute, October 2025.
• Geometric Methods in Representation Theory Seminar, UNC-Chapel Hill, October 2025.
• Informal String-Math Seminar, UC Berkeley, September 2025.
• Geometry, Symmetry, and Physics Seminar, Yale University, September 2025.
• Geometric Representation Theory Seminar, Tsinghua University, July 2024.
• Informal Mathematical Physics Seminar, Columbia University, March 2024.

Last updated: August 29, 2026