activity
20242026
collaborators

23 papers

cs.CV2026

ChartVerse: Scaling Chart Reasoning via Reliable Programmatic Synthesis from Scratch

Zheng Liu, Honglin Lin, Chonghan Qin +13

Chart reasoning is a critical capability for Vision Language Models (VLMs). However, the development of open-source models is severely hindered by the lack of high-quality training…

cs.CL2026

Heterogeneous Adaptive Policy Optimization: Tailoring Optimization to Every Token's Nature

Zheng Liu, Mengjie Liu, Siwei Wen +4

Using entropy as a measure of heterogeneity to guide optimization has emerged as a crucial research direction in Reinforcement Learning for LLMs. However, existing methods typicall…

cs.LG2026

DataFlex: A Unified Framework for Data-Centric Dynamic Training of Large Language Models

Hao Liang, Zhengyang Zhao, Meiyi Qiang +22

Data-centric training has emerged as a promising direction for improving large language models (LLMs) by optimizing not only model parameters but also the selection, composition, a…

cs.CL2026

Let's Verify Math Questions Step by Step

Chengyu Shen, Zhen Hao Wong, Runming He +8

Large Language Models (LLMs) have recently achieved remarkable progress in mathematical reasoning. To enable such capabilities, many existing works distill strong reasoning models…

cs.AI2026

Learning What Reinforcement Learning Can't: Interleaved Online Fine-Tuning for Hardest Questions

Lu Ma, Hao Liang, Meiyi Qiang +9

Recent advances in large language model (LLM) reasoning have shown that sophisticated behaviors such as planning and self-reflection can emerge through reinforcement learning (RL).…

cs.LG2026

pQuant: Towards Effective Low-Bit Language Models via Decoupled Linear Quantization-Aware Training

Wenzheng Zhang, Bingzheng Liu, Yang Hu +3

Quantization-Aware Training from scratch has emerged as a promising approach for building efficient large language models (LLMs) with extremely low-bit weights (sub 2-bit), which c…