P Charpin, GM Kyureghyan, V Suder - Finite Fields and Their …, 2014 - inria.hal.science
We study the functions View the $ F_ {s, t,\gamma}(x)= x^ s+\gamma Tr (x^ t) $ on $ F_ {2^ n}
$. We describe the set of such permutations and the explicit expressions of their …