Similar to アスコリ＝アルツェラの定理

Open mapping theorem (functional analysis)

Analytic semigroup

Almost Mathieu operator

Function space

Functional square root

Spectrum of a ring

Plancherel theorem for spherical functions

Absorbing set

Polarization identity

Polar topology

Polar set

Locally convex topological vector space

Extreme point

Composition operator

Constructive quantum field theory

Cauchy–Schwarz inequality

Korn's inequality

Eigenfunction

Compact operator

Spectral theory of compact operators

Compact embedding

Operator topologies

Operator algebra

Operator norm

James' space

Square-integrable function

Shift operator