Similar to バナッハ関数環

Uniform algebra

Compression (functional analysis)

Operator norm

C*-algebra

Spectral theory

1 + 1 + 1 + 1 + ⋯

1/2 + 1/4 + 1/8 + 1/16 + ⋯

1/2 − 1/4 + 1/8 − 1/16 + ⋯

1/4 + 1/16 + 1/64 + 1/256 + ⋯

Gelfand–Naimark–Segal construction

Functional analysis

C0-semigroup

F-space

Lp space

Ryll-Nardzewski fixed-point theorem

Arzelà–Ascoli theorem

Asplund space

Uniformly Cauchy sequence

Functional square root

Absorbing set

Strong topology (polar topology)

Strong operator topology

Polar set

Korn's inequality

Compact operator

Operator algebra