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Author

Zhenkun Wang

3 papers indexed here

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#machine learning Preprint Oct 2026

MiLoop: Selective Memory Propagation for Neural Combinatorial Optimization

Constructive neural combinatorial optimization (NCO) has emerged as a promising paradigm that learns to construct solutions to combinatorial optimization problems (COPs) step by step, which reduces reliance on handcrafted rules and enables fast inference. While many methods with dynamic embeddings generalize well, they...

Chang-Liang Zhou, Yuan-Yao Chen, Rong-Sheng Chen et al. · 0 citations
#machine learning Preprint Sep 2026

GraphSkillEvo: Evolutionary Optimization of Graph-Structured Agent Skills

GraphSkillEvo is introduced, a population-based evolutionary optimization framework with mutation and crossover operators for graph-structured skills that enables broader and more comprehensive exploration of the structured skill space than purely LLM-based iterative self-refinement.

Rui Sun, Zhi Zheng, Zhen-Kun Wang et al. · 0 citations
#machine learning Preprint Aug 2026

Agentic ESOpt: Fine-Tuning Long-Horizon LLM Agents with Minimal GPU Requirements

Reinforcement Learning (RL) has been promising in single-turn LLM fine-tuning. However, long-horizon agentic reasoning introduces increasingly branching interactions and sparse rewards, exposing several limitations of RL: its heavyweight backpropagation-based training stack makes it impractical to fine-tune larger LLMs...

Zhi Zheng, Rong-Sheng Chen, Yunpeng Ba et al. · 1 citation

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