The compositional inverse of a class of linearized permutation polynomials over mathbb{F}_(2^n), n odd
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classcompositionallinearizedmathbbpermutationpolynomialsdeterminedexplicitly
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In this paper, the compositional inverses of a class of linearized permutation polynomials of the form $P(x)=x+x^2+\tr(\frac{x}{a})$ over the finite field $\mathbb{F}_{2^n}$ for an odd positive integer $n$ are explicitly determined.
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