activity
20242026
collaborators
Showing 2025Show all

7 papers · 1 filter

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…

cs.LG2025

TrimR: Verifier-based Training-Free Thinking Compression for Efficient Test-Time Scaling

Weizhe Lin, Xing Li, Zhiyuan Yang +7

Large Reasoning Models (LRMs) demonstrate exceptional capability in tackling complex mathematical, logical, and coding tasks by leveraging extended Chain-of-Thought (CoT) reasoning…

cs.LG2025

MoLAE: Mixture of Latent Experts for Parameter-Efficient Language Models

Zehua Liu, Han Wu, Ruifeng She +4

Mixture of Experts (MoE) has become a key architectural paradigm for efficiently scaling Large Language Models (LLMs) by selectively activating a subset of parameters for each inpu…

cs.CL2025

Unlocking Efficient Long-to-Short LLM Reasoning with Model Merging

Han Wu, Yuxuan Yao, Shuqi Liu +7

The transition from System 1 to System 2 reasoning in large language models (LLMs) has marked significant advancements in handling complex tasks through deliberate, iterative think…

cs.AI2025

Decision Information Meets Large Language Models: The Future of Explainable Operations Research

Yansen Zhang, Qingcan Kang, Wing Yin Yu +5

Operations Research (OR) is vital for decision-making in many industries. While recent OR methods have seen significant improvements in automation and efficiency through integratin…

cs.CL2025

LoRE-Merging: Exploring Low-Rank Estimation For Large Language Model Merging

Zehua Liu, Han Wu, Yuxuan Yao +4

While most current approaches rely on further training techniques, such as fine-tuning or reinforcement learning, to enhance model capacities, model merging stands out for its abil…