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stat.ME2026
Mixed Membership Model of Low-rank Matrices with Multimodal Extension
David Snider, Zhongyuan Lyu, Jian Kang +1
Matrix-valued observations arise in multiplex networks, neuroimaging, and other domains where population-level patterns are often low-rank and subjects may express several latent p…
cs.AI2026
Canonical Intermediate Representation for LLM-based optimization problem formulation and code generation
Zhongyuan Lyu, Shuoyu Hu, Lujie Liu +2
Automatically formulating optimization models from natural language descriptions is a growing focus in operations research, yet current LLM-based approaches struggle with the compo…