Research

My academic work focused on large-scale optimization algorithms for machine learning — particularly asynchronous and parallel methods that scale to distributed systems. Full list on Google Scholar.

Large-Scale Optimization & Distributed Algorithms

ARock: an Algorithmic Framework for Asynchronous Parallel Coordinate Updates
Z. Peng, Y. Xu, M. Yan, W. Yin

SIAM Journal on Scientific Computing, 2016

arXiv
Coordinate Friendly Structures, Algorithms and Applications
Z. Peng, T. Wu, Y. Xu, M. Yan, W. Yin

Annals of Mathematical Sciences and Applications, 2016
On the Convergence of Asynchronous Parallel Iteration with Unbounded Delays
Z. Peng, Y. Xu, M. Yan, W. Yin

Journal of the Operations Research Society of China, 2017
Parallel Multi-Block ADMM with o(1/k) Convergence
W. Deng, M.-J. Lai, Z. Peng, W. Yin

Journal of Scientific Computing, 2016
TMAC: A Toolbox of Modern Async-Parallel, Coordinate, Splitting, and Stochastic Methods
B. Edmunds, Z. Peng, W. Yin

UCLA CAM Report 16-38, 2016
Parallel and Distributed Sparse Optimization
Z. Peng, M. Yan, W. Yin

IEEE Asilomar Conference on Signals, Systems, and Computers, 2013

Compressive Sensing

A Gauss-Seidel Iterative Thresholding Algorithm for ℓ_q Regularized Least Squares Regression
J. Zeng, Z. Peng, S. Lin

Journal of Computational and Applied Mathematics, 2017
Linear Convergence of Adaptively Iterative Thresholding Algorithms for Compressed Sensing
Y. Wang, J. Zeng, Z. Peng, X. Chang, Z. Xu

IEEE Transactions on Signal Processing, 2015
Sparse Radon Transform with Dual Gradient Ascent Method
Y. Liu, Z. Peng, W. Symes, W. Yin

Proc. 84th Annual International Meeting of the Society of Exploration Geophysicists, 2013

paper slides

Anomaly Detection

Sparse Kernel Learning-based Feature Selection for Anomaly Detection
Z. Peng, P. Gurram, H. Kwon, W. Yin

IEEE Transactions on Aerospace and Electronic Systems, 2015
Optimal Sparse Kernel Learning for Hyperspectral Anomaly Detection
Z. Peng, P. Gurram, H. Kwon, W. Yin

IEEE WHISPERS, Gainesville, FL, 2013

paper slides