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Ting-Han Ye

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#artificial intelligence Preprint Oct 2026

DecompGym: Benchmarking LLM Agents on Designing Decomposition Algorithms

This work introduces DecompGym, 81 instances from nine problem families (five Benders, four column generation), in which an agent writes a solver for a prescribed method, and evaluates 12 GPT, Claude, and Gemini models running in coding-agent tools.

Si-Kai Cheng, Ting-Han Ye, Arnaud Deza et al. · 0 citations
Preprint Aug 2026

LLM-Derived Preference Judgments Are Not Self-Consistent

Agents increasingly interpret a person's natural-language preferences by querying an LLM for numerical preference judgments, e.g., by asking how much the person would be willing to pay for an item. A growing body of work estimates a utility function from these judgments and then chooses actions based on their estimated...

Matthew T. Ford, Francis Bahk, Jing-Jing Wang et al. · 0 citations

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