e/Permutation polynomial

Information
has gloss	eng: In mathematics, a permutation polynomial (for a given finite ring) is a polynomial that acts as a permutation of the elements of the ring, i.e. the map x \mapsto g(x) is one-to-one. In case the ring is a finite field, they are (under certain assumptions) essentially Dickson polynomials which are closely related to the Chebyshev polynomials.
lexicalization	eng: permutation polynomial
instance of	(noun) act of changing the lineal order of objects in a group permutation