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Seminar notes from the Steklov problem reading group with Jiangdong Ai and Yizhe Ji. Learning note on the Steklov Problem (PDF).pdf) Related paper: Effect of edge-stretching on Steklov eigenvalues (arXiv:2603.26251)
Read full note →Learning note from the 2025 Fall Graph Theory course at Nankai (Jiangdong Ai). Graph Theory note (PDF)
Learning note from the 2025 Fall Partial Differential Equations course at Nankai (Yawei Wei). PDE note (PDF)
Reviewing note from the 2025 Fall Numerical Analysis course at Nankai (Chunlin Wu, Zhiyong Zhao). Numerical Analysis note (PDF)
Learning note from the 2025 Fall Financial Options course at Nankai (Yiming Jiang). This PDF covers the stochastic process part. Financial Options note (PDF)
Learning note from the 2025 Fall Investment course at Nankai (Jing Li). This PDF covers Chapters 4–5. Investment note (PDF)
Reviewing note from the 2024 Fall Complex Analysis I course at Nankai (Xianfeng Wang). Complex Analysis I reviewing note (PDF)
Welcome. I am Sherr1, an undergraduate in mathematics at Nankai University. I work on extremal graph theory, additive combinatorics, and the Steklov eigenvalue.