Publications

2026


  1. Variable-Length Generative Protein Design via Generalized Poisson Flow
    Chaoran Cheng*, Zhanghan Ni*, Yanru Qu*, Yuxin Chen, Ruihan Guo, Jiajun Fan, and Ge Liu
    arXiv preprint arXiv:2607.09039 2026
  2. A-CODE: Fully Atomic Protein Co-Design with Unified Multimodal Diffusion
    Chaoran Cheng*, Jiaqi Guan*, Milong Ren, Chengyue Gong, Cong Liu, Xinshi Chen, Ge Liu, and Wenzhi Xiao
    arXiv preprint arXiv:2605.03360 2026
  3. Accurate de novo Design of Peptides from Programming Biophysical Landscape
    Mingyu Li, Yini Liu, Jie Zhong, Xinchao Shi, Jiqing Zheng, Kai Wang, Yunxia Cui, Chaoran Cheng, Shijin Li, Xiangzhe Kong, Shaoning Li, Miaojie Xv, Chunhao Zhu, Xiaobing Lan, He Yang, Kewei Chang, Zhenyu An, Shizhang Wan, Xiuyan Yang, Qiancheng Shen, H. Eric Xu, Zihua Wang, Lei Liu, Youwen Zhuang, Jianzhu Ma, and Jian Zhang
    bioRxiv 2026
  4. h-MINT: Modeling Pocket-Ligand Binding with Hierarchical Molecular Interaction Network
    Yanru Qu, Yijie Zhang, Wenjuan Tan, Xiangzhe Kong, Xiangxin Zhou, Chaoran Cheng, Mathieu Blanchette, Jiaxuan You, and Ge Liu
    In The Fourteenth International Conference on Learning Representations 2026
  5. LangFlow: Continuous Diffusion Rivals Discrete in Language Modeling
    Yuxin Chen, Chumeng Liang, Hangke Sui, Ruihan Guo, Chaoran Cheng, Jiaxuan You, and Ge Liu
    arXiv preprint arXiv:2604.11748 2026
  6. M3: High-Fidelity Text-to-Image Generation via Multi-Modal, Multi-Agent and Multi-Round Visual Reasoning
    Bangji Yang, Ruihan Guo, Jiajun Fan, Chaoran Cheng, and Ge Liu
    arXiv preprint arXiv:2602.06166 2026
  7. MutAtlas: A PDB-Wide Energy-Guided Atlas of Protein Mutation Effects
    Ruihan Guo*, Chaoran Cheng*, Zhanghan Ni, Neil He, Bangji Yang, and Ge Liu
    In Proceedings of the 43rd International Conference on Machine Learning 2026
  8. Fine-Tuning Flow Matching Generative Models with Intermediate Feedback
    Jiajun Fan, Chaoran Cheng, Shuaike Shen, Xiangxin Zhou, and Ge Liu
    In 2nd DeLTa Workshop at ICLR 2026 2026
  9. Learning Protein Structure Representation with Orientation-Aware Networks
    Jiahan Li, Shitong Luo, Congyue Deng, Chaoran Cheng, Jiaqi Guan, Leonidas Guibas, Jian Peng, and Jianzhu Ma
    Journal of Computational Biology 2026

2025


  1. Riemannian Consistency Model
    Chaoran Cheng*, Yusong Wang*, Yuxin Chen, Xiangxin Zhou, Nanning Zheng, and Ge Liu
    In Advances in Neural Information Processing Systems 2025
  2. Adaptive Divergence Regularized Policy Optimization for Fine-Tuning Generative Models
    Jiajun Fan, Tong Wei, Chaoran Cheng, Yuxin Chen, and Ge Liu
    In Advances in Neural Information Processing Systems 2025
  3. MSAFlow: A Unified Approach for MSA Representation, Augmentation, and Family-Based Protein Design
    Aishwarya Venkatraman, He Cao, Tong Wei, Chaoran Cheng, and Ge Liu
    In NeurIPS 2025 Workshop on AI for Science 2025
  4. α-Flow: A Unified Framework for Continuous-State Discrete Flow Matching Models
    Chaoran Cheng, Jiahan Li, Jiajun Fan, and Ge Liu
    arXiv preprint arXiv:2504.10283 2025
  5. Online Reward-Weighted Fine-Tuning of Flow Matching with Wasserstein Regularization
    Jiajun Fan, Shuaike Shen, Chaoran Cheng, Yuxin Chen, Chumeng Liang, and Ge Liu
    In The Thirteenth International Conference on Learning Representations 2025
  6. Gradient-Free Generation for Hard-Constrained Systems
    Chaoran Cheng, Boran Han, Danielle C. Maddix, Abdul Fatir Ansari, Andrew Stuart, Michael W. Mahoney, and Bernie Wang
    In The Thirteenth International Conference on Learning Representations 2025
  7. Training-Free Guided Flow Matching with Optimal Control
    Luran Wang, Chaoran Cheng, Yizhen Liao, Yanru Qu, and Ge Liu
    In The Thirteenth International Conference on Learning Representations 2025
  8. Hotspot-Driven Peptide Design via Multi-Fragment Autoregressive Extension
    Jiahan Li, Tong Chen, Shitong Luo, Chaoran Cheng, Jiaqi Guan, Ruihan Guo, Sheng Wang, Ge Liu, Jian Peng, and Jianzhu Ma
    In The Thirteenth International Conference on Learning Representations 2025

2024


  1. Geometric Point Attention Transformer for 3D Shape Reassembly
    Jiahan Li, Chaoran Cheng, Jianzhu Ma, and Ge Liu
    arXiv preprint arXiv:2411.17788 2024
  2. Ab Initio Characterization of Protein Molecular Dynamics with AI2BMD
    Tong Wang, Xinheng He, Mingyu Li, Yatao Li, Ran Bi, Yusong Wang, Chaoran Cheng, Xiangzhen Shen, Jiawei Meng, He Zhang, Haiguang Liu, Zun Wang, Shaoning Li, Bin Shao, and Tie-Yan Liu
    Nature 2024
  3. Neural P³M: A Long-Range Interaction Modeling Enhancer for Geometric GNNs
    Yusong Wang*, Chaoran Cheng*, Shaoning Li*, Yuxuan Ren, Bin Shao, Ge Liu, Pheng-Ann Heng, and Nanning Zheng
    In Advances in Neural Information Processing Systems 2024
  4. Full-Atom Peptide Design Based on Multi-Modal Flow Matching
    Jiahan Li, Chaoran Cheng, Zuofan Wu, Ruihan Guo, Shitong Luo, Zhizhou Ren, Jian Peng, and Jianzhu Ma
    In Proceedings of the 41st International Conference on Machine Learning 2024
  5. Categorical Flow Matching on Statistical Manifolds
    Chaoran Cheng, Jiahan Li, Jian Peng, and Ge Liu
    In Advances in Neural Information Processing Systems 2024

2023


  1. Equivariant Neural Operator Learning with Graphon Convolution
    Chaoran Cheng, and Jian Peng
    In Advances in Neural Information Processing Systems 2023

2022


  1. Equivariant Point Cloud Analysis via Learning Orientations for Message Passing
    Shitong Luo, Jiahan Li, Jiaqi Guan, Yufeng Su, Chaoran Cheng, Jian Peng, and Jianzhu Ma
    In Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition 2022
  2. DisenCite: Graph-Based Disentangled Representation Learning for Context-Specific Citation Generation
    Yifan Wang, Yiping Song, Shuai Li, Chaoran Cheng, Wei Ju, Ming Zhang, and Sheng Wang
    Proceedings of the AAAI Conference on Artificial Intelligence 2022