More generally: any equivalence relation defined on an algebraic structure which is preserved by operations defined by the structure.
The quality of agreeing or corresponding; being suitable and appropriate.
Matrix similarity by an orthogonal matrix.
A relation between two numbers indicating they give the same remainder when divided by some given number.
The quality of being isometric — roughly, the same measure and shape.
A function that maps every element of a given mathematical structure (eg: a set) to a unique element of another structure; a correspondence.
The process of locating genes on a chromosome.
conversion of data types between incompatible type systems.
Assigning a PC to a shared drive or printer port on a network.
The process of making maps.