Search Results for author: Chengyu Lin

Found 2 papers, 0 papers with code

New Distinguishers for Negation-Limited Weak Pseudorandom Functions

no code implementations23 Mar 2022 Zhihuai Chen, Siyao Guo, Qian Li, Chengyu Lin, Xiaoming Sun

We show how to distinguish circuits with $\log k$ negations (a. k. a $k$-monotone functions) from uniformly random functions in $\exp\left(\tilde{O}\left(n^{1/3}k^{2/3}\right)\right)$ time using random samples.

Negation

Subspace Embedding and Linear Regression with Orlicz Norm

no code implementations ICML 2018 Alexandr Andoni, Chengyu Lin, Ying Sheng, Peilin Zhong, Ruiqi Zhong

An Orlicz norm is parameterized by a non-negative convex function $G:\mathbb{R}_+\rightarrow\mathbb{R}_+$ with $G(0)=0$: the Orlicz norm of a vector $x\in\mathbb{R}^n$ is defined as $ \|x\|_G=\inf\left\{\alpha>0\large\mid\sum_{i=1}^n G(|x_i|/\alpha)\leq 1\right\}.

regression

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