Mathematics. Of a linear transformation of a vector space: preserving lengths and angles; leaving unchanged the inner product of any two vectors.

Relating to or involving permutation or permutations.

Mathematics. (Also Logic and Linguistics.) Said of groups or other sets corresponding to each other in form, and in the nature and product of their…

Applied to a transformation in which each of two sets of variables is expressed rationally in terms of the other, or to a correspondence between two…

Mathematics, Logic, and Linguistics. Of an operator, operation, or transformation: involving or operating on a single element.

Mathematics. Related or produced by a homomorphism; giving rise to a second set under a homomorphism; that is a homomorphism.

Mathematics. Involving, belonging to, or designating the symplectic group of linear transformations (or their matrix equivalents) under which a…

That is an involution (sense 6c).

Of the nature of or pertaining to an injection (sense 5).

Mathematics. Of a function: that is a monomorphism. Also: produced by a monomorphism.

of the nature of or pertaining to a bijection.

that is a surjection.