Some of permutation polynomials of the form D_(n,k) (x,a)+?(?Tr?_m^n (D_(n,k) (x,a)^k+?_1)?^(s_1 )+???(?Tr?_m^n (D_(n,k) (x,a)^k+?_2)?^(s_2 ) over F_2^2m?
Keywords:
Permutation polynomial, Dickson polynomial, Reversed Dickson polynomial, Trace functionAbstract
By this paper, we intend structure of some class of permutation polynomials which ?having the form D_(n,k) (x,a)+?(?Tr?_m^n (D_(n,k) (x,a)^k+?_1)?^(s_1 )+???(?Tr?_m^n (D_(n,k) (x,a)^k+?_2)?^(s_2 ) over F_2^2m depend on (AGW ?criterion ).?