Math - Yunhai Xiang

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November 2025

做数学科研一定要在学术界吗 November 30, 2025

October 2025

论「纯粹」 October 17, 2025

September 2025

Simplicial Sets and Infinity-Categories September 25, 2025

December 2024

Symmetric Polynomials December 18, 2024

September 2024

Grothendieck-Witt Ring September 12, 2024

February 2024

Uniformization Theorem for Elliptic Curves February 29, 2024
Grothendieck's Proof of van Kampen Theorem February 7, 2024

January 2024

Bundles and Divisors on Schemes January 25, 2024

September 2022

Derived Category September 7, 2022
Triangulated Categories September 5, 2022

July 2022

Abelian Categories and Derived Functors July 25, 2022

February 2022

Fppf Site, Faithfully Flat Descent, and Fibred Categories February 16, 2022