Abstract
This paper gives a full classification of Dembowski-Ostrom polynomials derived from the compositions of reversed Dickson polynomials and monomials over finite fields of characteristic 2. The authors also classify almost perfect nonlinear functions among all such Dembowski-Ostrom polynomials based on a general result describing when the composition of an arbitrary linearized polynomial and a monomial of the form \({x^{1 + {2^\alpha }}}\) is almost perfect nonlinear. It turns out that almost perfect nonlinear functions derived from reversed Dickson polynomials are all extended affine equivalent to the well-known Gold functions.
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This research was supported by the National Basic Research Program of China under Grant No. 2011CB302400.
This paper was recommended for publication by Editor DENG Yingpu.
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Zhang, X., Wu, B. & Liu, Z. Dembowski-Ostrom polynomials from reversed Dickson polynomials. J Syst Sci Complex 29, 259–271 (2016). https://doi.org/10.1007/s11424-015-4110-4
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DOI: https://doi.org/10.1007/s11424-015-4110-4