Notes

Hilbert's 13th Problem

Hopf's Ergodic Theorem

Nowicki Conjecture

Riesz Representation Theorem

Sobolev Space

My Diaries

A Conversation with Chat-gpt

A Letter to Mr. Lei Yunhai

Blogs

75 Problems in the Foundation of Mathematics

Cichon's Diagram

Three Elegant Theorems in Abstract Algebra

The Volumn of Grassmanianns

Henkin's Theorem

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