Similar to スツルム＝ピコーンの比較定理

Pappus's centroid theorem

Babuška–Lax–Milgram theorem

Fenchel's duality theorem

Fenchel–Moreau theorem

Helly's selection theorem

Helmholtz decomposition

Poincaré inequality

Mahler's theorem

Symmetry of second derivatives

Laplace principle (large deviations theory)

Riemann–Lebesgue lemma

Rellich–Kondrachov theorem

Einstein's constant

Artin reciprocity

Artin–Rees lemma

Albanese variety

Alexander polynomial

List of things named after Alexander Grothendieck

Alexandrov theorem

Anscombe's quartet

Anderson–Darling test