Invariant and invariance may refer to:
Computer science Invariant (computer science), an expression whose value doesn't change during program execution Loop invariant, a property of a program loop that is true before (and after) each iteration A data type in method overriding that is neither covariant nor contravariant Class invariant, an invariant used to constrain objects of a class
Physics, mathematics, and statistics Invariant (mathematics), a property of a mathematical object that is not changed by a specific operation or transformation Rotational invariance, the property of function whose value does not change when arbitrary rotations are applied to its argument Scale invariance, a property of objects or laws that do not change if scales of length, energy, or other variables, are multiplied by a common factor Topological invariant Invariant (physics), something does not change under a transformation, such as from one reference frame to another Invariant estimator in statistics Measurement invariance, a statistical property of measurement Oxford University Invariant Society, an Oxford student mathematics club
Other uses Invariant chain, a polypeptide which plays a critical role in antigen presentation Invariant (linguistics), a word that does not undergo inflection Invariant (music) 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 Invariances, a 2001 book by philosopher Robert Nozick
See also