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首页> 外文期刊>LIPIcs : Leibniz International Proceedings in Informatics >Hardness Amplification for Non-Commutative Arithmetic Circuits
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Hardness Amplification for Non-Commutative Arithmetic Circuits

机译:非交换算术电路的硬度放大

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摘要

We show that proving mildly super-linear lower bounds on non-commutative arithmetic circuits implies exponential lower bounds on non-commutative circuits. That is, non-commutative circuit complexity is a threshold phenomenon: an apparently weak lower bound actually suffices to show the strongest lower bounds we could desire.This is part of a recent line of inquiry into why arithmetic circuit complexity, despite being a heavily restricted version of Boolean complexity, still cannot prove super-linear lower bounds on general devices. One can view our work as positive news (it suffices to prove weak lower bounds to get strong ones) or negative news (it is as hard to prove weak lower bounds as it is to prove strong ones). We leave it to the reader to determine their own level of optimism.
机译:我们证明了证明非交换算术电路上的温和超线性下界意味着非交换算术电路上的指数下界。也就是说,非交换电路的复杂性是一个门槛现象:表面上很弱的下限实际上足以显示我们所希望的最强下限。版本的布尔复杂度,仍然不能证明一般设备上的超线性下限。人们可以将我们的工作视为积极的消息(足以证明弱的下界以获得强势的消息)或消极的消息(证明弱的下界与证明强的缺点一样困难)。我们将其留给读者确定自己的乐观水平。

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