Publications

2026

  1. Preprint
    REAL: Regression-Aware Reinforcement Learning for LLM-as-a-Judge
    Tianyu Chen*, Yasi Zhang*, Mingyuan Zhou, and 3 more authors
    Preprint. (Collaboration with Google DeepMind), 2026
  2. ICLR 2026
    EdiVal-Agent: An Object-Centric Framework for Automated, Scalable, Fine-Grained Evaluation of Multi-Turn Editing
    Tianyu Chen*, Yasi Zhang*, Zhi Zhang, and 13 more authors
    The 14th International Conference on Learning Representations, 2026
  3. ICLR 2026
    Score Distillation Beyond Acceleration: Generative Modeling from Corrupted Data
    Tianyu Chen*, Yasi Zhang*, Zhendong Wang, and 2 more authors
    The 14th International Conference on Learning Representations, 2026

2025

  1. Preprint
    Restoration score distillation: From corrupted diffusion pretraining to one-step high-quality generation
    Yasi Zhang*, Tianyu Chen*, Zhendong Wang, and 3 more authors
    arXiv preprint arXiv:2505.13377, 2025
  2. Preprint
    A Generative Framework for Causal Estimation via Importance-Weighted Diffusion Distillation
    Tianyu Chen*, Xinran Song*, and Mingyuan Zhou
    Preprint., 2025
  3. NeurIPS 2025
    Improving Data Efficiency for LLM Reinforcement Fine-tuning Through Difficulty-targeted Online Data Selection and Rollout Replay
    Yifan Sun, Jingyan Shen, Yibin Wang, and 4 more authors
    Advances in Neural Information Processing Systems 2025, 2025
  4. NeurIPS 2025
    CoLT: The conditional localization test for assessing the accuracy of neural posterior estimates
    Tianyu Chen, Vansh Bansal, and James G. Scott
    Advances in Neural Information Processing Systems 2025, 2025
  5. Preprint
    The surprising strength of weak classifiers for validating neural posterior estimates
    Tianyu Chen, Vansh Bansal, and James G. Scott
    Preprint., 2025
  6. AISTATS 2025
    Conditional diffusions for amortized neural posterior estimation
    Tianyu Chen, Vansh Bansal, and James G. Scott
    The 28th International Conference on Artificial Intelligence and Statistics., 2025

2024

  1. Preprint
    Enhancing and Accelerating Diffusion-Based Inverse Problem Solving through Measurements Optimization
    Tianyu Chen, Zhendong Wang, and Mingyuan. Zhou
    Submmitted., 2024
  2. NeurIPS 2024
    Diffusion Policies creating a Trust Region for Offline Reinforcement Learning
    Tianyu Chen, Zhendong Wang, and Mingyuan Zhou
    Advances in Neural Information Processing Systems 2024, 2024
  3. NeurIPS 2024
    Identifying General Mechanism Shifts in Linear Causal Representations
    Tianyu Chen, Kevin Bello, Francesco Locatello, and 2 more authors
    Advances in Neural Information Processing Systems 2024, 2024
  4. PNAS
    Model-based trajectory inference for single-cell rna sequencing using deep learning with a mixture prior
    Tianyu Chen*, Jin-Hong Du*, Ming Gao, and 1 more author
    Proceedings of the National Academy of Sciences, 2024

2023

  1. NeurIPS 2023
    iSCAN: identifying causal mechanism shifts among nonlinear additive noise models
    Tianyu Chen, Kevin Bello, Bryon Aragam, and 1 more author
    Advances in Neural Information Processing Systems 2023, 2023

2022

  1. Book Chapter
    Deep Learning Methods for Single-Cell Omics Data
    Jingshu Wang, and Tianyu Chen
    In Handbook of Statistical Bioinformatics, 2022