collaborators

12 papers

cs.CL2026

Efficient Reasoning Exploration via State-Conditioned Latent Steering with Progress Guidance

Hengyuan Zhang, Chenming Shang, Zunhai Su +10

Best-of- is a widely used inference strategy for complex reasoning, whose effectiveness depends on whether sampled candidates can cover diverse and high-quality reasoning paths.…

cs.CV2026

MMSpec: Benchmarking Speculative Decoding for Vision-Language Models

Hui Shen, Xin Wang, Ping Zhang +11

Vision-language models (VLMs) achieve strong performance on multimodal tasks but suffer from high inference latency due to large model sizes and long multimodal contexts. Speculati…

cs.CV2026

MathGen: Revealing the Illusion of Mathematical Competence through Text-to-Image Generation

Ruiyao Liu, Hui Shen, Ping Zhang +16

Modern generative models have demonstrated the ability to solve challenging mathematical problems. In many real-world settings, however, mathematical solutions must be expressed vi…

cs.LG2026

DSDR: Dual-Scale Diversity Regularization for Exploration in LLM Reasoning

Zhongwei Wan, Yun Shen, Zhihao Dou +9

Reinforcement learning with verifiers (RLVR) is a central paradigm for improving large language model (LLM) reasoning, yet existing methods often suffer from limited exploration. P…

cs.CL2026

OVD: On-policy Verbal Distillation

Jing Xiong, Hui Shen, Shansan Gong +7

Knowledge distillation transfers reasoning capabilities from large teachers to efficient students. However, token-level on-policy distillation (OPD) constrains student exploration…

cs.CL2026

MMFormalizer: Multimodal Autoformalization in the Wild

Jing Xiong, Qi Han, Yunta Hsieh +11

Autoformalization, which translates natural language mathematics into formal statements to enable machine reasoning, faces fundamental challenges in the wild due to the multimodal…

cs.CL2026

Locate, Steer, and Improve: A Practical Survey of Actionable Mechanistic Interpretability in Large Language Models

Hengyuan Zhang, Zhihao Zhang, Mingyang Wang +26

Mechanistic Interpretability (MI) has emerged as a vital approach to demystify the opaque decision-making of Large Language Models (LLMs). However, existing reviews primarily treat…

cs.CL2025

DoPE: Denoising Rotary Position Embedding

Jing Xiong, Liyang Fan, Hui Shen +4

Positional encoding is essential for large language models (LLMs) to represent sequence order, yet recent studies show that Rotary Position Embedding (RoPE) can induce massive acti…

cs.CL2025

ATTS: Asynchronous Test-Time Scaling via Conformal Prediction

Jing Xiong, Qiujiang Chen, Fanghua Ye +11

Large language models (LLMs) benefit from test-time scaling but are often hampered by high inference latency. Speculative decoding is a natural way to accelerate the scaling proces…

cs.CL2025

LongEmotion: Measuring Emotional Intelligence of Large Language Models in Long-Context Interaction

Weichu Liu, Jing Xiong, Yuxuan Hu +10

Large language models (LLMs) have made significant progress in Emotional Intelligence (EI) and long-context modeling. However, existing benchmarks often overlook the fact that emot…

cs.AI2025

PhyX: Does Your Model Have the "Wits" for Physical Reasoning?

Hui Shen, Taiqiang Wu, Qi Han +16

Existing benchmarks fail to capture a crucial aspect of intelligence: physical reasoning, the integrated ability to combine domain knowledge, symbolic reasoning, and understanding…

cs.CL2025

SwingArena: Competitive Programming Arena for Long-context GitHub Issue Solving

Wendong Xu, Jing Xiong, Chenyang Zhao +16

We present SwingArena, a competitive evaluation framework for Large Language Models (LLMs) that closely mirrors real-world software development workflows. Unlike traditional static…