Similar to ファン・デル・ヴェルデンの定理

Ackermann function

Small set (combinatorics)

Sumset

Pentagonal number theorem

Catalan's constant

Q-analog

Kneser's theorem (combinatorics)

Sicherman dice

Singmaster's conjecture

Stirling number

Pigeonhole principle

Annales de Gergonne

P-adic Teichmüller theory

RSA (cryptosystem)

Witch of Agnesi

Abelian group

Category of abelian groups

Abelian category

Abelian variety

Abel's theorem

Abel equation

Abel–Jacobi map

Abel–Ruffini theorem

Eisenstein series

Eisenstein integer

Iverson bracket