Research

2025

1. arXiv

   

   Singular values of sparse random rectangular matrices: Emergence of outliers at criticality

   Ioana Dumitriu, Hai-Xiao Wang, Zhichao Wang, and Yizhe Zhu

   2025

   arXiv Bib

   @article{dumitriu2025singular,
     title = {Singular values of sparse random rectangular matrices: Emergence of outliers at criticality},
     author = {Dumitriu, Ioana and Wang, Hai-Xiao and Wang, Zhichao and Zhu, Yizhe},
     year = {2025},
   }

2. CPC

   Partial recovery and weak consistency in the non-uniform hypergraph stochastic block model

   Ioana Dumitriu, Hai-Xiao Wang, and Yizhe Zhu

   Combinatorics, Probability and Computing, 2025

   DOI arXiv Bib

   @article{Dumitriu2025PartialRA,
     title = {Partial recovery and weak consistency in the non-uniform hypergraph stochastic block model},
     author = {Dumitriu, Ioana and Wang, Hai-Xiao and Zhu, Yizhe},
     journal = {Combinatorics, Probability and Computing},
     volume = {34},
     number = {1},
     pages = {1--51},
     year = {2025},
     doi = {10.1017/S0963548324000166},
     publisher = {Cambridge University Press}
   }

2024

1. ICML 2024

   Optimal Exact Recovery in Semi-Supervised Learning: A Study of Spectral Methods and Graph Convolutional Networks

   Hai-Xiao Wang, and Zhichao Wang

   In Forty-first International Conference on Machine Learning, 2024

   DOI arXiv Bib

   @inproceedings{Wang2024OptimalER,
     title = {Optimal Exact Recovery in Semi-Supervised Learning: A Study of Spectral Methods and Graph Convolutional Networks},
     author = {Wang, Hai-Xiao and Wang, Zhichao},
     booktitle = {Forty-first International Conference on Machine Learning},
     doi = {https://openreview.net/forum?id=8m4V6Fx6ma},
     year = {2024}
   }

2023

1. 

   Optimal and exact recovery on general non-uniform Hypergraph Stochastic Block Model

   Ioana Dumitriu, and Hai-Xiao Wang

   To appear in Annals of Statistics, 2023

   arXiv Bib

   @article{Dumitriu2023OptimalAE,
     title = {Optimal and exact recovery on general non-uniform Hypergraph Stochastic Block Model},
     journal = {To appear in Annals of Statistics},
     author = {Dumitriu, Ioana and Wang, Hai-Xiao},
     year = {2023},
   }

2. arXiv

   Information-Theoretic Limits and Strong Consistency on Binary Non-uniform Hypergraph Stochastic Block Models

   Hai-Xiao Wang

   2023

   arXiv Bib

   @article{Wang2023ITlimits,
     title = {Information-Theoretic Limits and Strong Consistency on Binary Non-uniform Hypergraph Stochastic Block Models},
     author = {Wang, Hai-Xiao},
     year = {2023}
   }