Jiacai Liu

According to our database, Jiacai Liu authored at least 18 papers between 2013 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

The Optimal Token Baseline: Variance Reduction for Long-Horizon LLM-RL.

Yingru Li, Jiawei Xu, Ziniu Li, Jiacai Liu, Wei Liu, Yuxuan Tong, Longtao Zheng, Zhenghai Xue, Yaxiang Zhang, Tianle Cai, Ge Zhang, Qian Liu, Baoxiang Wang

CoRR, February, 2026

Beyond Precision: Training-Inference Mismatch is an Optimization Problem and Simple LR Scheduling Fixes It.

Yaxiang Zhang, Yingru Li, Jiacai Liu, Jiawei Xu, Ziniu Li, Qian Liu, Haoyuan Li

CoRR, February, 2026

2025

Policy Mirror Descent with Temporal Difference Learning: Sample Complexity under Online Markov Data.

Wenye Li, Hongxu Chen, Jiacai Liu, Ke Wei

CoRR, December, 2025

A Note on Hybrid Online Reinforcement and Imitation Learning for LLMs: Formulations and Algorithms.

Yingru Li, Ziniu Li, Jiacai Liu

CoRR, December, 2025

Taming the Tail: Stable LLM Reinforcement Learning via Dynamic Vocabulary Pruning.

Yingru Li, Jiawei Xu, Jiacai Liu, Yuxuan Tong, Ziniu Li, Tianle Cai, Ge Zhang, Qian Liu, Baoxiang Wang

CoRR, December, 2025

Trust Region Masking for Long-Horizon LLM Reinforcement Learning.

Yingru Li, Jiacai Liu, Jiawei Xu, Yuxuan Tong, Ziniu Li, Baoxiang Wang

CoRR, December, 2025

On the Convergence of Policy Mirror Descent with Temporal Difference Evaluation.

Jiacai Liu, Wenye Li, Ke Wei

CoRR, September, 2025

Harnessing Uncertainty: Entropy-Modulated Policy Gradients for Long-Horizon LLM Agents.

Jiawei Wang, Jiacai Liu, Yuqian Fu, Yingru Li, Xintao Wang, Yuan Lin, Yu Yue, Lin Zhang, Yang Wang, Ke Wang

CoRR, September, 2025

Skywork-Reward-V2: Scaling Preference Data Curation via Human-AI Synergy.

Chris Yuhao Liu, Liang Zeng, Yuzhen Xiao, Jujie He, Jiacai Liu, Chaojie Wang, Rui Yan, Wei Shen, Fuxiang Zhang, Jiacheng Xu, Yang Liu, Yahui Zhou

CoRR, July, 2025

Skywork Open Reasoner 1 Technical Report.

Jujie He, Jiacai Liu, Chris Yuhao Liu, Rui Yan, Chaojie Wang, Peng Cheng, Xiaoyu Zhang, Fuxiang Zhang, Jiacheng Xu, Wei Shen, Siyuan Li, Liang Zeng, Tianwen Wei, Cheng Cheng, Bo An, Yang Liu, Yahui Zhou

CoRR, May, 2025

Equal Division Contribution Values of Trapezoidal Fuzzy Numbers and Their Application to Profit Allocation in Cold Chain Logistics for Agricultural Products.

Jungan Zhan, Rong Fan, Minghao Liu, Jiacai Liu, Wenjian Zhao

Symmetry, 2025

On the Convergence of Projected Policy Gradient for Any Constant Step Sizes.

Jiacai Liu, Wenye Li, Dachao Lin, Ke Wei, Zhihua Zhang

J. Mach. Learn. Res., 2025

ϕ-Update: A Class of Policy Update Methods with Policy Convergence Guarantee.

Wenye Li, Jiacai Liu, Ke Wei

Proceedings of the Thirteenth International Conference on Learning Representations, 2025

2024

Improving Multi-Step Reasoning Abilities of Large Language Models with Direct Advantage Policy Optimization.

Jiacai Liu, Chaojie Wang, Chris Yuhao Liu, Liang Zeng, Rui Yan, Yiwen Sun, Yang Liu, Yahui Zhou

CoRR, 2024

Skywork-Reward: Bag of Tricks for Reward Modeling in LLMs.

Chris Yuhao Liu, Liang Zeng, Jiacai Liu, Rui Yan, Jujie He, Chaojie Wang, Shuicheng Yan, Yang Liu, Yahui Zhou

CoRR, 2024

Elementary Analysis of Policy Gradient Methods.

Jiacai Liu, Wenye Li, Ke Wei

CoRR, 2024

2023

On the Linear Convergence of Policy Gradient under Hadamard Parameterization.

Jiacai Liu, Jinchi Chen, Ke Wei

CoRR, 2023

2013

Detection of hydrothermally alteration rocks in the east Gandise, Tibet (China) using aster imagery.

Zhaoqiang Huang, Jiacai Liu, Xuefeng Sun

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013