On the q-bentness of Boolean functions

On the q-bentness of Boolean functions
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布尔函数的 q 弯曲度

DOI:
10.1007/s10623-018-0494-1
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发表时间:
2017-11
期刊:
Designs, Codes and Cryptography
影响因子:
--
通讯作者:
Klapper Andrew
Klapper Andrew
中科院分区:
其他
文献类型:
--
作者:
Chen Zhixiong;Gu Ting;Klapper Andrew

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对于N-变量布尔函数集中的每个非恒定Q,布尔函数f的Q变换与从f到Q可以通过非基础线性变化从q获得的函数的锤距距离有关。克拉普(Klapper)猜想没有bo
For each non-constant q in the set of n-variable Boolean functions, the q-transform of a Boolean function f is related to the Hamming distances from f to the functions obtainable from q by nonsingular linear change of basis. Klapper conjectured that no Boolean function exists with its q-transform coefficients equal to $$\pm \, 2^{n/2}$$±2n/2 (such function is called q-bent) when q is non-affine balanced. In our early work, we only gave partial results to confirm this conjecture for small n. Here we prove thoroughly that the conjecture is true for all n by investigating the nonexistence of the partial difference sets in abelian groups with special parameters. We also introduce a new family of functions called $$(\delta ,q)$$(δ,q)-bent functions, which give a measurement of q-bentness.
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影响因子: --
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