Explicit compositional inverses are derived for six classes of permutation polynomials of the form x + γ Tr_q^{q²}(h(x)) over F_{q²} with q = 2^n.
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Inverses of six classes of permutation polynomials of the form $x+\gamma\operatorname{Tr}_q^{q^2}(h(x))$ over finite fields of even characteristic
Explicit compositional inverses are derived for six classes of permutation polynomials of the form x + γ Tr_q^{q²}(h(x)) over F_{q²} with q = 2^n.