collaborators

10 papers

cs.LG2026

Auto-FlexSwitch: Efficient Dynamic Model Merging via Learnable Task Vector Compression

Junqi Gao, Dazhi Zhang, Zhichang Guo +3

Model merging has attracted attention as an effective path toward multi-task adaptation by integrating knowledge from multiple task-specific models. Among existing approaches, dyna…

cs.LG2026

WIST: Web-Grounded Iterative Self-Play Tree for Domain-Targeted Reasoning Improvement

Fangyuan Li, Pengfei Li, Shijie Wang +4

Recent progress in reinforcement learning with verifiable rewards (RLVR) offers a practical path to self-improvement of language models, but existing methods face a key trade-off:…

cs.LG2026

MARTI-MARS: Scaling Multi-Agent Self-Search via Reinforcement Learning for Code Generation

Shijie Wang, Pengfei Li, Yikun Fu +21

While the complex reasoning capability of Large Language Models (LLMs) has attracted significant attention, single-agent systems often encounter inherent performance ceilings in co…

cs.LG2025

PDAC: Efficient Coreset Selection for Continual Learning via Probability Density Awareness

Junqi Gao, Zhichang Guo, Dazhi Zhang +3

Rehearsal-based Continual Learning (CL) maintains a limited memory buffer to store replay samples for knowledge retention, making these approaches heavily reliant on the quality of…

cs.LG2025

Bohdi: Heterogeneous LLM Fusion with Automatic Data Exploration

Junqi Gao, Zhichang Guo, Dazhi Zhang +5

Heterogeneous Large Language Model (LLM) fusion integrates the strengths of multiple source LLMs with different architectures into a target LLM with low computational overhead. Whi…

cs.CL2025

A Survey of Reinforcement Learning for Large Reasoning Models

Kaiyan Zhang, Yuxin Zuo, Bingxiang He +36

In this paper, we survey recent advances in Reinforcement Learning (RL) for reasoning with Large Language Models (LLMs). RL has achieved remarkable success in advancing the frontie…