collaborators

5 papers

cs.CL2026

m3BERT: A Modern, Multi-lingual, Matryoshka Bidirectional Encoder

Yaoxiang Wang, Simiao Zuo, Qingguo Hu +4

Embedding models are pivotal in industrial information retrieval systems like search and advertising. However, existing pretrained models often exhibit fixed architectures and embe…

cs.LG2026

Beyond Sunk Costs: Boosting LLM Pre-training Efficiency via Orthogonal Growth of Mixture-of-Experts

Ruizhe Wang, Yucheng Ding, Xiao Liu +5

As the computational demands for pre-training Large Language Models (LLMs) continue to surge, the need for efficient training paradigms becomes critical. Despite the vast resources…

cs.AI2025

Gold-Medal-Level Olympiad Geometry Solving with Efficient Heuristic Auxiliary Constructions

Boyan Duan, Xiao Liang, Shuai Lu +7

Automated theorem proving in Euclidean geometry, particularly for International Mathematical Olympiad (IMO) level problems, remains a major challenge and an important research focu…

cs.CL2025

Training Matryoshka Mixture-of-Experts for Elastic Inference-Time Expert Utilization

Yaoxiang Wang, Qingguo Hu, Yucheng Ding +6

Mixture-of-Experts (MoE) has emerged as a promising paradigm for efficiently scaling large language models without a proportional increase in computational cost. However, the stand…

cs.CL2025

Sigma: Differential Rescaling of Query, Key and Value for Efficient Language Models

Zhenghao Lin, Zihao Tang, Xiao Liu +31

We introduce Sigma, an efficient large language model specialized for the system domain, empowered by a novel architecture including DiffQKV attention, and pre-trained on our metic…