collaborators

13 papers

cs.CR2026

R-CoT: A Reasoning-Layer Watermark via Redundant Chain-of-Thought in Large Language Models

Ziming Zhang, Li Li, Guorui Feng +2

Large language models (LLMs) are widely deployed in multiple scenarios due to reasoning capabilities. In order to prevent the models from being misused, watermarking is generally e…

cs.LG2026

Automated Optimization Modeling via a Localizable Error-Driven Perspective

Weiting Liu, Han Wu, Yufei Kuang +4

Automated optimization modeling via Large Language Models (LLMs) has emerged as a promising approach to assist complex human decision-making. While post-training has become a pivot…

cs.CL2025

Activation-Guided Consensus Merging for Large Language Models

Yuxuan Yao, Shuqi Liu, Zehua Liu +6

Recent research has increasingly focused on reconciling the reasoning capabilities of System 2 with the efficiency of System 1. While existing training-based and prompt-based appro…

cs.CL2025

Preserving LLM Capabilities through Calibration Data Curation: From Analysis to Optimization

Bowei He, Lihao Yin, Huiling Zhen +5

Post-training compression has been a widely employed approach to scale down large language model (LLM) and facilitate efficient inference. In various proposed compression methods,…

cs.LG2025

REG: A Regularization Optimizer for Robust Training Dynamics

Zehua Liu, Han Wu, Xiaojin Fu +4

Optimizers are crucial for the efficient training of Large Language Models (LLMs). While AdamW is the de facto standard, recent structure-aware optimizers like Muon have emerged, w…

cs.AI2025

A Survey of Optimization Modeling Meets LLMs: Progress and Future Directions

Ziyang Xiao, Jingrong Xie, Lilin Xu +15

By virtue of its great utility in solving real-world problems, optimization modeling has been widely employed for optimal decision-making across various sectors, but it requires su…