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Keywords: 0000 0101 0011 0110 nonlinearity.svg Nonlinearity of 4-ary Boolean functions This is a Bent function Its Walsh spectrum is <math> 6 -2 -2 -2 ~~~ -2 2 -2 2 ~~~ -2 -2 2 2 ~~~ -2 2 2 -2 </math> Its binary Walsh spectrum is the null vector It belongs to this big equivalence class <br> containing 48 functions which are probably all bent as well <br> Compare File 0001 0001 0001 1110 nonlinearity svg own Lipedia Nonlinearity of 4-ary Boolean functions 4-ary bent functions |