Abstract:Let $n\geq 0$ be an integer and $q$ a prime power. The polynomial $g_{n,q}$ was introduced in [10] with the purpose of finding new classes of permutation polynomials over finite fields. We investigate the permutation behaviour of the polynomial $g_{n,q}(X)$ over finite fields of even characteristic. We introduce the multivariate case of the polynomial $g_{n,q}$, and study the permutation polynomials in several variables and local permutation polynomials resulting from the polynomials $g_{n,q}(X_1,X_2,\ldots , X_k)$. We also present several new identities of $g_{n,q}(X)$, and present some open questions on the permutation property of $g_{n,q}(X)$.
From: Neranga Fernando [view email]
[v1]
Sun, 31 May 2026 06:04:17 UTC (51 KB)
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