Author

Yutao Lai

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Preprint Jul 2026

SpecAHD: Localize to Specialize for Automated Heuristic Design in Large-Scale Routing Problems

Across four routing problems and multiple LLM backbones, SpecAHD reduces held-out objective cost by up to 57.7% against the strongest competing AHD baseline and outperforms the per-instance baseline envelope on most public instances.

K. Lai, Yutao Lai, Hai-Lin Liu · 0 citations