This page shows a selected list of my preprints and published journal and conference papers.
Note: * denotes equal contribution.

Preprints

  1. Dynamic Learning Policy for Multi-Warehouse Multi-Store Systems with Censored Demands
    Sentao Miao, Yining Wang and Renbo Zhao
    Submitted, Oct. 2023

  2. An Away-Step Frank-Wolfe Method for Minimizing Logarithmically-Homogeneous Barriers
    Renbo Zhao
    Submitted, Aug. 2023

  3. The Generalized Multiplicative Gradient Method and Its Convergence Rate Analysis
    Renbo Zhao
    Working paper, July 2022

Journal Papers

  1. An Inexact Primal Dual Smoothing Framework for Large-Scale Non-Bilinear Saddle Point Problems
    Le Thi Khanh Hien*, Renbo Zhao* and William B. Haskell
    Journal of Optimization Theory and Applications, to appear, 2024

  2. A Primal-Dual Smoothing Framework for Max-Structured Nonconvex Optimization
    Renbo Zhao
    Mathematics of Operations Research, to appear, 2024

  3. Analysis of the Frank-Wolfe Method for Convex Composite Optimization involving a Logarithmically-Homogeneous Barrier
    Renbo Zhao and Robert M. Freund
    Mathematical Programming (Series A), Vol. 199, No. 1 – 2, Pages 123 – 163, 2023

  4. Convergence Rate Analysis of the Multiplicative Gradient Algorithm for PET-Type Problems
    Renbo Zhao
    Operations Research Letters, Vol. 51, No. 1, Pages 26 – 32, 2023

  5. A Generalized Frank-Wolfe Method With “Dual Averaging” for Strongly Convex Composite Optimization
    Renbo Zhao and Qiuyun Zhu
    Optimization Letters, Vol. 17, No. 7, Pages 1595 – 1611, 2023

  6. Accelerated Stochastic Algorithms for Convex-Concave Saddle Point Problems
    Renbo Zhao
    Mathematics of Operations Research, Vol. 47, No. 2, Pages 1443 – 1473, 2022

  7. Stochastic L-BFGS: Improved Convergence Rates and Practical Acceleration Strategies
    Renbo Zhao, William B. Haskell and Vincent Y. F. Tan
    IEEE Transactions on Signal Processing, Vol. 66, No. 5, Pages 1155 – 1169, 2018

  8. A Unified Convergence Analysis of the Multiplicative Update Algorithm for Regularized Nonnegative Matrix Factorization
    Renbo Zhao and Vincent Y. F. Tan
    IEEE Transactions on Signal Processing, Vol. 66, No. 1, Pages 129 – 138, 2018

  9. Adversarial Top-K Ranking
    Changho Suh, Vincent Y. F. Tan and Renbo Zhao
    IEEE Transactions on Information Theory, Vol. 63, No. 4, Pages 2201 – 2225, 2017

  10. Online Nonnegative Matrix Factorization with Outliers
    Renbo Zhao and Vincent Y. F. Tan
    IEEE Transactions on Signal Processing, Vol. 65, No. 3, Pages 555 – 570, 2017

Conference and Workshop Proceedings

  1. Efficient Event Series Data Modeling via First-Order Constrained Optimization
    Niccolo Dalmasso*, Renbo Zhao*, Mohsen Ghassemi, Vamsi K. Potluru, Tucker Balch, Manuela Veloso
    ACM International Conference on AI in Finance (ICAIF), Nov., 2023

  2. An Optimal Algorithm for Stochastic Three-Composite Optimization
    Renbo Zhao, William B. Haskell and Vincent Y. F. Tan
    International Conference on Artificial Intelligence and Statistics (AISTATS), Apr., 2019

  3. Stochastic Three-Composite Convex Minimization with a Linear Operator
    Renbo Zhao and Volkan Cevher
    International Conference on Artificial Intelligence and Statistics (AISTATS), Apr., 2018

  4. Stochastic L-BFGS Revisited: Improved Convergence Rates and Practical Acceleration Strategies
    Renbo Zhao, William B. Haskell and Vincent Y. F. Tan
    Conference on Uncertainty in Artificial Intelligence (UAI), Aug., 2017

  5. Online Nonnegative Matrix Factorization with General Divergences
    Renbo Zhao, Vincent Y. F. Tan and Huan Xu
    International Conference on Artificial Intelligence and Statistics (AISTATS), Apr., 2017

  6. A Unified Convergence Analysis of the Multiplicative Update Algorithm for Nonnegative Matrix Factorization
    Renbo Zhao and Vincent Y. F. Tan
    IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Mar., 2017

  7. Online Nonnegative Matrix Factorization with Outliers
    Renbo Zhao and Vincent Y. F. Tan
    IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Mar., 2016

  8. Soft Constrained Leading Voice Separation with Music Score Guidance
    Renbo Zhao, Siu Wa Lee, Dong-Yan Huang and Minghui Dong
    ISCA/IEEE International Symposium on Chinese Spoken Language Processing (ISCSLP), Sep., 2014