collaborators

6 papers

cs.LG2025

Demystifying Hybrid Thinking: Can LLMs Truly Switch Between Think and No-Think?

Shouren Wang, Wang Yang, Xianxuan Long +3

Hybrid thinking enables LLMs to switch between reasoning and direct answering, offering a balance between efficiency and reasoning capability. Yet our experiments reveal that curre…

cs.LG2025

Pruning Weights but Not Truth: Safeguarding Truthfulness While Pruning LLMs

Yao Fu, Runchao Li, Xianxuan Long +4

Neural network pruning has emerged as a promising approach for deploying LLMs in low-resource scenarios while preserving downstream task performance. However, for the first time, w…

cs.AI2025

Quantized but Deceptive? A Multi-Dimensional Truthfulness Evaluation of Quantized LLMs

Yao Fu, Xianxuan Long, Runchao Li +5

Quantization enables efficient deployment of large language models (LLMs) in resource-constrained environments by significantly reducing memory and computation costs. While quantiz…

cs.CL2025

FAEDKV: Infinite-Window Fourier Transform for Unbiased KV Cache Compression

Runchao Li, Yao Fu, Mu Sheng +3

The efficacy of Large Language Models (LLMs) in long-context tasks is often hampered by the substantial memory footprint and computational demands of the Key-Value (KV) cache. Curr…

cs.AI2025

When Truthful Representations Flip Under Deceptive Instructions?

Xianxuan Long, Yao Fu, Runchao Li +4

Large language models (LLMs) tend to follow maliciously crafted instructions to generate deceptive responses, posing safety challenges. How deceptive instructions alter the interna…

cs.CL2024

Dynamic Self-Distillation via Previous Mini-batches for Fine-tuning Small Language Models

Yao Fu, Yin Yu, Xiaotian Han +4

Knowledge distillation (KD) has become a widely adopted approach for compressing large language models (LLMs) to reduce computational costs and memory footprints. However, the avai…