Similar to 小野栄重

Aleph number

Allen–Cahn equation

Aronszajn tree

Cryptography

Darkside communication group

Mental calculation

Ensemble Kalman filter

Dark figure of crime

Anscombe's quartet

Safe prime

Igor Ansoff

Anderson–Darling test

Stable curve

Stable marriage problem

Koide Chōjūrō

Chūgan Engetsu