Preprints

• Algorithm-Informed Graph Neural Networks for Leakage Detection and Localization in Water Distribution Networks
  Zepeng Zhang and Olga Fink
  [paper]

• Discerning and Enhancing the Weighted Sum-Rate Maximization Algorithms in Communications
  Zepeng Zhang, Ziping Zhao, Kaiming Shen, Daniel P. Palomar, and Wei Yu
  [paper]

• Rate Maximizations for Reconfigurable Intelligent Surface-Aided Wireless Networks: A Unified Framework via Block Minorization-Maximization
  Zepeng Zhang and Ziping Zhao
  [paper]

Publications

• ASGNN: Graph Neural Networks with Adaptive Structure
  Zepeng Zhang, Songtao Lu, Zengfeng Huang, and Ziping Zhao
  IEEE Journal of Selected Topics in Signal Processing, 2024
  [paper]

• A Joint Graph Signal and Laplacian Denoising Network
  Zepeng Zhang and Ziping Zhao
  The Asia-Pacific Signal and Information Processing Conference (APSIPA ASC), 2024
  

• Graph Neural Networks with Adaptive Structure
  Zepeng Zhang, Songtao Lu, Zengfeng Huang, and Ziping Zhao
  Graph Signal Processing Workshop (GSP), 2024
  [paper]

• Accelerating Quadratic Transform and WMMSE
  Kaiming Shen, Ziping Zhao, Yannan Chen, Zepeng Zhang, and Hei Victor Cheng
  IEEE Journal on Selected Areas in Communications, 2024
  

• Accelerating Quadratic Transform and WMMSE
  Kaiming Shen, Ziping Zhao, Yannan Chen, Zepeng Zhang, and Hei Victor Cheng
  IEEE International Symposium on Information Theory (ISIT), 2024
  

• Enhancing the Efficiency of WMMSE and FP for Beamforming by Minorization-Maximization
  Zepeng Zhang, Ziping Zhao, and Kaiming Shen
  IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), 2023
  [paper]

• Towards Understanding Graph Neural Networks: An Algorithm Unrolling Perspective
  Zepeng Zhang and Ziping Zhao
  DLG-KDD 2022
  [paper]

• Weighted Sum-Rate Maximization for Multi-Hop RIS-Aided Multi-User Communications: A Minorization-Maximization Approach
  Zepeng Zhang and Ziping Zhao
  IEEE International Workshop on Signal Processing Advances in Wireless Communications, 2021 (Best Student Paper Award Finalist)
  [paper]

• Multi-Period Portfolio Optimization for Index Tracking in Finance
  Xiuyuan Huang, Zepeng Zhang, and Ziping Zhao
  Annual Asilomar Conference on Signals, Systems, and Computers (ACSSC/Asilomar), 2020
  [paper]

• Vast Portfolio Selection With Submodular Norm Regularizations
  Zepeng Zhang and Ziping Zhao
  European Signal Processing Conference (EUSIPCO), 2021
  [paper]

• Scalable Financial Index Tracking with Graph Neural Networks
  Zepeng Zhang and Ziping Zhao
  IEEE Statistical Signal Processing Workshop (SSP), 2021
  [paper]

• A Deep Learning-Aided Approach to Portfolio Design for Financial Index Tracking
  Zepeng Zhang and Ziping Zhao
  Annual Asilomar Conference on Signals, Systems, and Computers (ACSSC/Asilomar), 2020
  [paper]