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Erschienen in:
2012 | OriginalPaper | Buchkapitel
Dickson Polynomials, Hyperelliptic Curves and Hyper-bent Functions
verfasst von : Jean-Pierre Flori, Sihem Mesnager
Erschienen in: Sequences and Their Applications – SETA 2012
Verlag: Springer Berlin Heidelberg
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In this paper, we study the action of Dickson polynomials on subsets of finite fields of even characteristic related to the trace of the inverse of an element and provide an alternate proof of a not so well-known result. Such properties are then applied to the study of a family of Boolean functions and a characterization of their hyper-bentness in terms of exponential sums recently proposed by Wang et al.Finally, we extend previous works of Lisoněk and Flori and Mesnager to reformulate this characterization in terms of the number of points on hyperelliptic curves and present some numerical results leading to an interesting problem.