Author

Peidong Wang

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Preprint Aug 2026

Do AI Personas Grow? Analyzing and Benchmarking Personality Evolution in LLM Agents After Life Events

Personality-conditioned LLM agents (PC-Agents) are increasingly used in emotional support, social simulation, and role-playing, motivating the development of lifelong agents that remain coherent over extended interactions. A key component of such coherence is personality evolution: agents should undergo plausible, psyc...

Ming Wang, Peidong Wang, Xiaocui Yang et al. · 0 citations

#natural language process... Preprint Aug 2026

Self-Evolving Embodied Agents via Skill-Harness Evolution

Embodied agents are increasingly built as systems around foundation models, where performance depends not only on model weights but also on the skills, context, action interfaces, and execution harness surrounding the model. While supervised fine-tuning and reinforcement learning can adapt agents to new environments, t...

Pei-Dong Wang, Zhiming Ma, Ying Chang et al. · 5 citations · ⚡1