Inverses of six classes of permutation polynomials of the form $x+{\hat{I}}^3{\mathrm{Tr}}_q^{q^2}(h(x))$ over finite fields of even characteristic

Rajesh P. Singh, Dinesh Kumar, Jitendra Prakash

Recently, Jiang et al. \cite{JIANG2025102522} obtained several classes of Permutation Polynomial of the form $x+{\hat{I}}^3{\mathrm{Tr}}_q^{q^2}(h(x))$ over finite fields $\mathbb{F}_{q…