Dirichlet's theorem

Dirichlet's theorem may refer to any of several mathematical theorems due to Peter Gustav Lejeune Dirichlet.


 * Dirichlet's theorem on arithmetic progressions
 * Dirichlet's approximation theorem
 * Dirichlet's unit theorem
 * Dirichlet conditions
 * Dirichlet boundary condition
 * Dirichlet's principle
 * Pigeonhole principle, sometimes also called Dirichlet's principle
 * Dirichlet's test for convergence