Similar to ゴッサード配景中心

Encyclopedia of Triangle Centers

Yff center of congruence

Apollonius point

Abramowitz and Stegun

Mathematics Genealogy Project

Mathesis (journal)

Egan conjecture

Congruent isoscelizers point

Equal parallelians point

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

Einstein tensor

Einstein notation