This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: "Classification theorem" – news · newspapers · books · scholar · JSTOR (December 2009) (Learn how and when to remove this template message)

In mathematics, a classification theorem answers the classification problem "What are the objects of a given type, up to some equivalence?". It gives a non-redundant enumeration: each object is equivalent to exactly one class.

A few issues related to classification are the following.

There exist many classification theorems in mathematics, as described below.

Geometry

Algebra

Linear algebra

Analysis

Complex analysis

Mathematical physics

See also