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math.NT2024
Trinomials with high differential uniformity
Yves Aubry, Fabien Herbaut, Ali Issa
Comparisons of arithmetic and geometric monodromy groups coupled with the Chebotarev density theorem enable to obtain families of trinomials defined over finite fields of even char…
math.NT2022
Polynomials with maximal differential uniformity and the exceptional APN conjecture
Yves Aubry, Fabien Herbaut, Ali Issa
We contribute to the exceptional APN conjecture by showing that no polynomial of degree m = 2 r (2 {\ell} + 1) where gcd(r, {\ell}) 2, r 2, {\ell} 1 with a nonzero second leading c…
math.NT2017
Maximal differential uniformity polynomials
Yves Aubry, Fabien Herbaut, Jose Felipe Voloch
We provide an explicit infinite family of integers such that all the polynomials of of degree have maximal differential uniformity for large enou…