35 citations · 194 across the 35 of their papers we have counts for
35 papers
Private Approximation of Graph Spectra and Cuts via Spectral Amplifiers
Chenglin Fan, Jingcheng Liu, Pan Peng +2
We study the problem of releasing a synthetic graph that approximates the sizes of all cuts of an input graph under edge-level differential privacy. If one insists on purely additi…
Recovery thresholds for hidden weighted sparse graphs
Zhe Hou, Jingcheng Liu
Recovering structural information from noisy high-dimensional data is a fundamental task in statistical inference. We investigate the recovery thresholds for a graph hidden in a ra…
Spectrality of product-form self-similar measures and tiles
Jing-Cheng Liu, Jia-Jie Wang, Jia Zheng
This paper studies the Fourier properties of self-similar measures and tiles generated by digit sets of product-form. Let be a real number and let be the direct sum of…
The Price of Privacy For Approximating Max-CSP
Prathamesh Dharangutte, Jingcheng Liu, Pasin Manurangsi +3
We study approximation algorithms for Maximum Constraint Satisfaction Problems (Max-CSPs) under differential privacy (DP) where the constraints are considered sensitive data. Infor…
Zero-free regions and concentration inequalities for hypergraph colorings in the local lemma regime
Jingcheng Liu, Yixiao Yu
We show that for -colorings in -uniform hypergraphs with maximum degree , if and , there is a "Lee-Yang" zero-free strip around the i…
A class of spectral measures with -alternate contraction ratios in
Jing-cheng Liu, Jia-jie Wang
For a Borel probability measure on , it is called a spectral measure if the Hilbert space admits an orthogonal basis of exponential functions. In thi…
Optimal quantum sampling on distributed databases
Longyun Chen, Jingcheng Liu, Penghui Yao
Quantum sampling, a fundamental subroutine in numerous quantum algorithms, involves encoding a given probability distribution in the amplitudes of a pure state. Given the hefty cos…
A Generalized Binary Tree Mechanism for Differentially Private Approximation of All-Pair Distances
Michael Dinitz, Chenglin Fan, Jingcheng Liu +2
We study the problem of approximating all-pair distances in a weighted undirected graph with differential privacy, introduced by Sealfon [Sea16]. Given a publicly known undirected…
Phase Transitions via Complex Extensions of Markov Chains
Jingcheng Liu, Chunyang Wang, Yitong Yin +1
We study algebraic properties of partition functions, particularly the location of zeros, through the lens of rapidly mixing Markov chains. The classical Lee-Yang program initiated…
Spectrality of alternating-sign Moran measures
Jun Jason Luo, Lin Mao, Jing-Cheng Liu
For \(m\geq 2\), let \(D_m=\{0,1,\ldots,m-1\}\). For each \(k\geq 1\), consider the family of contractions \[ Φ_k=\{ϕ_{k,d}:d\in D_{n_k}\}, \qquad ϕ_{k,d}(x)=(-1)^d b_k^{-1}(x+d),…
Spectrality of a class of moran measures on
Jing-Cheng Liu, Qiao-Qin Liu, Jun Jason Luo +1
We investigate spectral properties of planar Moran measures generated by sequences of expanding matrices and digit sets $\{D…
Perfect sampling from rapidly mixing Markov chains
Andreas Göbel, Jingcheng Liu, Pasin Manurangsi +1
We show that efficient approximate sampling algorithms, combined with a slow exponential time oracle for computing its output distribution, can be combined into constructing effici…
Almost linear time differentially private release of synthetic graphs
Jingcheng Liu, Jalaj Upadhyay, Zongrui Zou
In this paper, we give an almost linear time and space algorithms to sample from an exponential mechanism with an -score function defined over an exponentially large non-co…
Optimality of Matrix Mechanism on -metric
Jingcheng Liu, Jalaj Upadhyay, Zongrui Zou
In this paper, we introduce the -error metric (for ) when answering linear queries under the constraint of differential privacy. We characterize such an error u…
Optimal Bounds on Private Graph Approximation
Jingcheng Liu, Jalaj Upadhyay, Zongrui Zou
We propose an efficient -differentially private algorithm, that given a simple {\em weighted} -vertex, -edge graph with a \emph{maximum unweighted} degree $Δ(G) \leq n…
Uniqueness and Rapid Mixing in the Bipartite Hardcore Model
Xiaoyu Chen, Jingcheng Liu, Yitong Yin
We characterize the uniqueness condition in the hardcore model for bipartite graphs with degree bounds only on one side, and provide a nearly linear time sampling algorithm that wo…
Fourier bases of a class of planar self-affine measures
Ming-Liang Chen, Jing-Cheng Liu, Zhi-Yong Wang
Let be the planar self-affine measure generated by an expansive integer matrix and a non-collinear integer digit set $D=\left\{\begin{pmatrix} 0\\0…
Spectrality of generalized Sierpinski-type self-affine measures
Jing-Cheng Liu, Ying Zhang, Zhi-Yong Wang +1
For an expanding integer matrix and an integer digit set with , let be the Sierpinski-t…
The spectrality of self-affine measure under the similarity transformation of
Jing-Cheng Liu, Zhi-Yong Wang
Let be the self-affine measure generated by an expanding integer matrix and a finite digit set . It is well known that the tw…
Zeros of ferromagnetic 2-spin systems
Heng Guo, Jingcheng Liu, Pinyan Lu
We study zeros of the partition functions of ferromagnetic 2-state spin systems in terms of the external field, and obtain new zero-free regions of these systems via a refinement o…
Correlation decay and partition function zeros: Algorithms and phase transitions
Jingcheng Liu, Alistair Sinclair, Piyush Srivastava
We explore connections between the phenomenon of correlation decay and the location of Lee-Yang and Fisher zeros for various spin systems. In particular we show that, in many insta…
Private Selection from Private Candidates
Jingcheng Liu, Kunal Talwar
Differentially Private algorithms often need to select the best amongst many candidate options. Classical works on this selection problem require that the candidates' goodness, mea…
Fisher zeros and correlation decay in the Ising model
Jingcheng Liu, Alistair Sinclair, Piyush Srivastava
We study the complex zeros of the partition function of the Ising model, viewed as a polynomial in the "interaction parameter"; these are known as Fisher zeros in light of their in…
The cardinality of orthogonal exponentials of planar self-affine measures with three-element digit sets
Ming-Liang Chen, Jing-Cheng Liu
In this paper, we consider the planar self-affine measures generated by an expanding matrix and an integer digit set $ D=\left\{ {\left( {\begin{ar…