# Singularity

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Singularity

Singularity may refer to any of a variety of concepts.

Mathematics:

* Mathematical singularity, a point at which a given mathematical object is not defined

In complex analysis:

* Essential singularity, a singularity near which a function exhibits extreme behavior
* Isolated singularity, a mathematical singularity that has no other singularities close to it
* Movable singularity, a concept in singularity theory
* Removable singularity, a point at which a function is not defined but at which it can be so defined that it is continuous at the singularity

In algebraic geometry:

* Singular point of an algebraic variety, a point where an algebraic variety is not locally flat
* Rational singularity, a concept in singularity theory
* Singularity theory, which deals with these concepts

Science:

* Gravitational singularity, a point in spacetime in which gravitational forces cause matter to have an infinite density and zero volume
* Mechanical singularity, a position or configuration of a mechanism or a machine where the subsequent behaviour cannot be predicted
* Prandtl-Glauert singularity, the point at which a sudden drop in air pressure occurs
* Singularity (climate), a weather phenomenon associated with a specific calendar date
* Technological singularity, a theoretical point in the development of a technological civilization

Television:

* "Singularity" (Enterprise episode), a second season episode of "Star Trek: Enterprise"
* "Singularity" (Stargate SG-1 episode), a first season episode of "Stargate SG-1"

Other fields:

* Singularity (operating system), an operating system developed by Microsoft Research written in managed code.
* "Singularity" (Doctor Who audio), a "Doctor Who" audio drama
* "Singularity" (William Sleator novel), a 1985 science-fiction novel by William Sleator
* "Singularity" (novel), a novel by Bill DeSmedt published by Per Aspera Press in 2004
* Singularity (album), Mae's third studio album.
* Singularity 7, a graphic novel by Ben Templesmith.
* Singularity (video game), a video game developed by Raven Software.
* "The Singularity is Near" (non-fiction), a 2005 non-fiction book by Ray Kurzweil
* , an artificial intelligence strategy game for Linux

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