A general construction of permutation polynomials of the form $(x^{2^m}+x+\delta {)}^{i(2^m-1)+1}+x$ over $\F_{2^{2m}}$

Libo Wang, Baofeng Wu

Recently, there has been a lot of work on constructions of permutation polynomials of the form $(x^{2^m}+x+\delta {)}^s+x$ over the finite field $\F_{2^{2m}}$, especially in the case whe…