most citedHotSpot: Signed Distance Function Optimization with an Asymptotically Sufficient Condition

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cs.CL2026

LLM Agents Already Know When to Call Tools -- Even Without Reasoning

Chung-En Sun, Linbo Liu, Ge Yan +2

Tool-augmented LLM agents tend to call tools indiscriminately, even when the model can answer directly. Each unnecessary call wastes API fees and latency, yet no existing benchmark…

cs.CL2026

Steer2Edit: From Activation Steering to Component-Level Editing

Chung-En Sun, Ge Yan, Zimo Wang +1

Steering methods influence Large Language Model behavior by identifying semantic directions in hidden representations, but are typically realized through inference-time activation…