Pré-Publication, Document De Travail Année : 2020

On the distribution of the Rudin-Shapiro function for finite fields

Résumé

Let q = p r be the power of a prime p and (β1,. .. , βr) be an ordered basis of Fq over Fp. For ξ = r j=1 xjβj ∈ Fq with digits xj ∈ Fp, we define the Rudin-Shapiro function R on Fq by R(ξ) = r−1 i=1 xixi+1, ξ ∈ Fq. For a non-constant polynomial f (X) ∈ Fq[X] and c ∈ Fp we study the number of solutions ξ ∈ Fq of R(f (ξ)) = c. If the degree d of f (X) is fixed, r ≥ 6 and p → ∞, the number of solutions is asymptotically p r−1 for any c. The proof is based on the Hooley-Katz Theorem.

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Dates et versions

hal-03090416 , version 1 (29-12-2020)
hal-03090416 , version 2 (16-03-2021)

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  • HAL Id : hal-03090416 , version 1

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Cécile Dartyge, László Mérai, Arne Winterhof. On the distribution of the Rudin-Shapiro function for finite fields. 2020. ⟨hal-03090416v1⟩
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