list of things named after Gustav Lejeune Dirichlet

Mathematics

Theorems named Dirichlet's theorem:

Dirichlet's approximation theorem (diophantine approximation)

Dirichlet's theorem on arithmetic progressions (number theory, specifically prime numbers)

Dirichlet's unit theorem (algebraic number theory and rings)

Dirichlet algebra

Dirichlet beta function

Dirichlet boundary condition (differential equations)

Neumann–Dirichlet method

Dirichlet characters (number theory, specifically zeta and L-functions. 1831)

Dirichlet conditions (Fourier series)

Dirichlet convolution (number theory and arithmetic functions)

Dirichlet density (number theory)

Dirichlet average

Dirichlet distribution (probability theory)

Dirichlet-multinomial distribution

Dirichlet negative multinomial distribution

Generalized Dirichlet distribution (probability theory)

Grouped Dirichlet distribution

Inverted Dirichlet distribution

Matrix variate Dirichlet distribution

Dirichlet divisor problem (currently unsolved) (Number theory)

Dirichlet eigenvalue

Dirichlet's ellipsoidal problem

Dirichlet eta function (number theory)

Dirichlet form

Dirichlet function (topology)

Dirichlet hyperbola method

Dirichlet integral

Dirichlet kernel (functional analysis, Fourier series)

Dirichlet L-function

Dirichlet principle

Dirichlet problem (partial differential equations)

Dirichlet process

Dependent Dirichlet process

Hierarchical Dirichlet process

Imprecise Dirichlet process

Dirichlet ring (number theory)

Dirichlet series (analytic number theory)

Dirichlet series inversion

General Dirichlet series

Dirichlet space

Dirichlet stability criterion (dynamical systems)

Dirichlet tessellation, Dirichlet cell, Dirichlet polygon also called a Voronoi diagram (geometry)

Dirichlet's test (analysis)

Dirichlet's energy

Pigeonhole principle/Dirichlet's box (or drawer) principle (combinatorics)

Latent Dirichlet allocation

Class number formula

Physics

Dirichlet membrane

Non-mathematical

11665 Dirichlet

Dirichlet (crater)

Dirichlet–Jackson Basin