Similar to コーシー＝シュワルツの不等式

Discontinuous linear map

Freudenthal spectral theorem

Fractional calculus

Closed graph theorem

Closed linear operator

Closed range theorem

Baire space

Baire category theorem

Vector measure

Hecke operator

Beppo-Levi space

Hölder condition

Bochner measurable function

Bochner space

Essential spectrum

Mazur's lemma

Mackey topology

Marcinkiewicz interpolation theorem

Minkowski functional

Montel space

Bounded inverse theorem

Bornological space

Bounded operator

Laplace–Stieltjes transform

Laplace transform

Riesz space

M. Riesz extension theorem