collaborators

6 papers

cs.CL2026

How Does Alignment Enhance LLMs' Multilingual Capabilities? A Language Neurons Perspective

Shimao Zhang, Zhejian Lai, Xiang Liu +5

Multilingual Alignment is an effective and representative paradigm to enhance LLMs' multilingual capabilities, which transfers the capabilities from the high-resource languages to…

cs.CL2026

TAPO: Translation Augmented Policy Optimization for Multilingual Mathematical Reasoning

Xu Huang, Zhejian Lai, Zixian Huang +2

Large Language Models (LLMs) have demonstrated remarkable proficiency in English mathematical reasoning, yet a significant performance disparity persists in multilingual contexts,…

cs.CL2026

Neuron-Aware Data Selection In Instruction Tuning For Large Language Models

Xin Chen, Junchao Wu, Shu Yang +6

Instruction Tuning (IT) has been proven to be an effective approach to unlock the powerful capabilities of large language models (LLMs). Recent studies indicate that excessive IT d…

cs.CL2025

PATS: Process-Level Adaptive Thinking Mode Switching

Yi Wang, Junxiao Liu, Shimao Zhang +2

Current large-language models (LLMs) typically adopt a fixed reasoning strategy, either simple or complex, for all questions, regardless of their difficulty. This neglect of variat…

cs.CL2025

R-PRM: Reasoning-Driven Process Reward Modeling

Shuaijie She, Junxiao Liu, Yifeng Liu +3

Large language models (LLMs) inevitably make mistakes when performing step-by-step mathematical reasoning. Process Reward Models (PRMs) have emerged as a promising solution by eval…

cs.CL2025

Process-based Self-Rewarding Language Models

Shimao Zhang, Xiao Liu, Xin Zhang +4

Large Language Models have demonstrated outstanding performance across various downstream tasks and have been widely applied in multiple scenarios. Human-annotated preference data…