Notes & code

The calculus of variations, optimal control, and dynamic programming, with economic applications.

Static and dynamic games under complete and incomplete information (PKU, Fall 2024).

Interpolation, quadrature, ODE solvers, and numerical linear algebra (UC Berkeley, Math 128A/128B).

Monte Carlo and stochastic approximation, temporal difference learning, and policy gradient methods, for economists.

Unemployment dynamics and the Diamond–Mortensen–Pissarides model.

Network games, centrality, and cooperation on networks (PKU, Fall 2025).

Graduate Computational Economics in JAX (PKU, Spring 2026).

A short field note on ParallelCluster and Slurm: the setup, the traps, and the cost.

Scripts that automatically send files to a remote server, execute code, and email back the results.

A collection of Typst templates for academic presentations and course notes.