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Invariant
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<h2 id="computer-science">Computer science</h2> <ul><li><a href="/facts/Invariant_(computer_science)/9TeNN2ed">Invariant (computer science)</a>, an expression whose value doesn't change during program execution <ul><li><a href="/facts/Loop_invariant/fIbNgcsI">Loop invariant</a>, a property of a program loop that is true before (and after) each iteration</li></ul></li> <li>A data type in method overriding that is neither <a href="/facts/Covariance_and_contravariance_(computer_science)/NzBlXxF3">covariant nor contravariant</a></li> <li><a href="/facts/Class_invariant/PqDFHgQy">Class invariant</a>, an invariant used to constrain objects of a class</li></ul> <h2 id="physics-mathematics-and-statistics">Physics, mathematics, and statistics</h2> <ul><li><a href="/facts/Invariant_(mathematics)/9TeNN2ed">Invariant (mathematics)</a>, a property of a mathematical object that is not changed by a specific operation or transformation <ul><li><a href="/facts/Rotational_invariance/hBD8YYKx">Rotational invariance</a>, the property of function whose value does not change when arbitrary rotations are applied to its argument</li> <li><a href="/facts/Scale_invariance/S96sxg2R">Scale invariance</a>, a property of objects or laws that do not change if scales of length, energy, or other variables, are multiplied by a common factor</li> <li><a href="/facts/Topological_invariant/vbJR18Sx">Topological invariant</a></li></ul></li> <li><a href="/facts/Invariant_(physics)/UfHcehYs">Invariant (physics)</a>, something does not change under a transformation, such as from one reference frame to another</li> <li><a href="/facts/Invariant_estimator/LQRCCnyM">Invariant estimator</a> in statistics</li> <li><a href="/facts/Measurement_invariance/fmWkm3Lw">Measurement invariance</a>, a statistical property of measurement</li> <li><a href="/facts/Oxford_University_Invariant_Society/I79E1jv0">Oxford University Invariant Society</a>, an Oxford student mathematics club</li></ul> <h2 id="other-uses">Other uses</h2> <ul><li><a href="/facts/Invariant_(linguistics)/mhXSXpmJ">Invariant (linguistics)</a>, a word that does not undergo inflection</li> <li><a href="/facts/Invariant_(music)/hj3FwBNk">Invariant (music)</a></li> <li><a href="/facts/Writer_invariant/pMTVe0hq">Writer invariant</a>, property of a text which is similar in all texts of a given author, and different in texts of different authors</li> <li><a href="/facts/Invariance_(magazine)/TQ8Veyum"><i>Invariance</i> (magazine)</a>, a French Communist journal</li> <li><i><a href="/facts/Invariances/AWEPI0oF">Invariances</a></i>, a 2001 book by philosopher Robert Nozick</li></ul> <h2 id="see-also">See also</h2> <ul><li>All pages with titles containing invariance</li> <li>All pages with titles containing invariant</li></ul>