Invariant
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Look up invariance, invariant, or invariants in Wiktionary, the free dictionary. |
Invariant and invariance may have several meanings, among which are:
[edit] Computer science
- Invariant (computer science), an Expression whose value doesn't change during program execution
- A type in overriding that is neither covariant nor contravariant
- Class invariant, invariants used to constrain objects of a class
- Loop invariant, invariants used to prove properties of loops
[edit] Other uses
- Invariant (mathematics), something unaltered by a transformation, for example: taking a homotopy group functor on the category of topological spaces. Then, homeomorphic spaces have isomorphic fundamental group. See topological invariant.
- Invariant (music)
- Invariant (physics), meaning that something does not change under a transformation, such as from one reference frame to another
- Writer invariant, property of a text which is similar in all texts of a given author, and different in texts of different authors
- Invariance (magazine), a French Communist journal
- The Invariant Society, the Oxford student mathematics society
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