Set Theory

75 Problems in the Foundation of Mathematics

Cichon's Diagram

$\blacksquare$, $\blacklozenge$, $\clubsuit$

Sevaral Complex Variables

Hopf's Ergodic Theorem

Nevanlinna Theory (I)

Nevanlinna Theory (II)

Algebraic Number Theory

Quadratic Reciprocity Law

Nevanlinna Theory

Nevanlinna Theory (I)

Nevanlinna Theory (II)

Fuchsian Group

Hopf's Ergodic Theorem

Notes

Henkin's Theorem

Hilbert's 13th Problem

Nowicki Conjecture

P = NP

Naimark's Problem

Commutative Algebra

Hilbert's Nullstellensatz

Zariski Topology

Miscellanies

A Letter to Mr. Lei Yunhai

The Discovery of Neptune (By J.E. Littlewood)

Algebraic Geometry

Hilbert's Nullstellensatz

Zariski Topology

Mathematical Logic

Henkin's Theorem

P = NP

$\blacksquare$, $\blacklozenge$, $\clubsuit$

History of Mathematics

Hilbert's 13th Problem

Hilbert's 23 Problems

Hilbert's 13th Problem