Quasi-permutation polynomials
Vichian Laohakosol, Suphawan Janphaisaeng (2010)
Czechoslovak Mathematical Journal
Similarity:
A quasi-permutation polynomial is a polynomial which is a bijection from one subset of a finite field onto another with the same number of elements. This is a natural generalization of the familiar permutation polynomials. Basic properties of quasi-permutation polynomials are derived. General criteria for a quasi-permutation polynomial extending the well-known Hermite's criterion for permutation polynomials as well as a number of other criteria depending on the permuted domain and range...