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arXiv 2004.01277cs.ITmath.IT
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Courtade-Kumar最大信息布尔函数猜想与对称化Li-Médard猜想的等价性

The Courtade-Kumar Most Informative Boolean Function Conjecture and a Symmetrized Li-Médard Conjecture are Equivalent

Leighton Pate Barnes, Ayfer Özgür

摘要:

我们考虑了Courtade-Kumar关于平衡函数的最具信息量布尔函数猜想,以及Li和Médard关于独裁函数对于$1\leqα\leq2$也最大化$T_pf$的$L^α$范数的猜想,其中$T_p$是噪声算子,$f$是平衡布尔函数。利用19世纪80年代Laguerre的一个结果,我们能够确定一个$L^α$ -范数相关量作为$α$的函数能过零多少次,并证明了这两个结果本质上是等价的.

英文摘要:

We consider the Courtade-Kumar most informative Boolean function conjecture for balanced functions, as well as a conjecture by Li and Médard that dictatorship functions also maximize the $L^α$ norm of $T_pf$ for $1\leqα\leq2$ where $T_p$ is the noise operator and $f$ is a balanced Boolean function. By using a result due to Laguerre from the 1880's, we are able to bound how many times an $L^α$-norm related quantity can cross zero as a function of $α$, and show that these two conjectures are essentially equivalent.

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