Similar to シュワルツの鏡像の原理

Cauchy–Riemann equations

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

Ushiki's theorem

Oka's lemma

Hypergeometric differential equation

Hyperfunction

Harmonic function

Maximum principle

Schwarz alternating method

Dirichlet's principle

Harnack's principle

Laplace's equation

Gelfand–Naimark–Segal construction

Kadomtsev–Petviashvili equation

P-adic analysis

Compression (functional analysis)

Alexandrov theorem

Movable singularity

Theta operator

Gaussian function

Gauss–Legendre algorithm

Carathéodory's existence theorem