Preprint
Oct 2026
From Trajectories to Differentiated Skills: Cognitive Differentiation for Self-Improving Agents
Large language model (LLM) agents tackle complex tasks through reasoning and interaction with external environments. Agent skills provide persistent, transferable capabilities that guide task planning, inform contextual decisions, support tool use, and enable executable procedures. Yet existing skill-evolution methods...
Ye-Wei Zhao, De-Rong Xu, Wei Chen et al.
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