Regular complete permutation polynomials over quadratic extension fields
Xia Wu,
Wei Lu,
Xiwang Cao
et al.
Abstract:Let r ≥ 3 be any positive integer which is relatively prime to p and q 2 ≡ 1 (mod r). Let τ 1 , τ 2 be any permutation polynomials over F q 2 , σ M is an invertible linear map over F q 2 and σ = τ 1 • σ M • τ 2 . In this paper, we prove that, for suitable τ 1 , τ 2 and σ M , the map σ could be r-regular complete permutation polynomials over quadratic extension fields. 2020 Mathematics Subject Classification. 94B05.
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