collaborators

10 papers

cs.AI2026

Nanbeige4.2-3B: Unlocking Agentic Capabilities in a Compact Model

Nanbeige Lab, :, Chen Yang +23

We present Nanbeige4.2-3B, a compact general agentic model with 3B non-embedding parameters. It delivers strong performance across code-agent, office-agent, and complex tool-use ta…

cs.DM2026

Local Minima in Quadratic-Penalty Relaxations of Binary Linear Programs

Cheng-Han Huang, Yongliang Sun, Chaoyan Huang +2

Many combinatorial optimization problems admit quadratic unconstrained binary formulations (QUBO) which can often be relaxed to the box and optimized using scalable gradi…

cs.DM2026

Mutation-Guided Differentiable Quadratic Combinatorial Optimization

Yongliang Sun, Ismail Alkhouri, Cheng-Han Huang +3

Recent studies suggest that gradient-based methods applied to relaxed box-constrained Quadratic Unconstrained Binary Optimization (QUBO) formulations can outperform classical heuri…

cs.CL2026

DPEPO: Diverse Parallel Exploration Policy Optimization for LLM-based Agents

Junshuo Zhang, Chengrui Huang, Feng Guo +6

Large language model (LLM) agents that follow the sequential "reason-then-act" paradigm have achieved superior performance in many complex tasks.However, these methods suffer from…

cs.CL2026

HTAA: Enhancing LLM Planning via Hybrid Toolset Agentization & Adaptation

Chengrui Huang, Junshuo Zhang, Zhiyuan Ma +7

Enabling large language models to scale and reliably use hundreds of tools is critical for real-world applications, yet challenging due to the inefficiency and error accumulation i…

cs.LG2026

KARL: Mitigating Hallucinations in LLMs via Knowledge-Boundary-Aware Reinforcement Learning

Cheng Gao, Cheng Huang, Kangyang Luo +5

Enabling large language models (LLMs) to appropriately abstain from answering questions beyond their knowledge is crucial for mitigating hallucinations. While existing reinforcemen…