Similar to カラテオドリの存在定理

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 + ⋯

Apéry's constant

Abel–Plana formula

Alexandrov theorem

Hypergeometric differential equation

Sturm–Liouville theory

Gelfand–Naimark–Segal construction

Kadomtsev–Petviashvili equation

P-adic analysis

Compression (functional analysis)

Movable singularity

Theta operator

Oka's lemma

Gaussian function

Gauss–Legendre algorithm

Cauchy's integral formula

Kolmogorov extension theorem

Hyperfunction

Exponential growth

Filled Julia set

Schwarz reflection principle

Simple closed curve

Integrating factor