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math.OC2026
When is a better LLM worth paying for? Stochastic Optimization with Switching Mixed-Fidelity Oracles
Swati Gupta, Tianjiao Li
Large language models (LLMs) are increasingly used upstream of decision-making to clean data, detect label errors, and reconstruct missing values. Yet LLM-assisted data curation cr…
math.OC2026
Block-Norm Geometries for Online Mirror Descent with Sparse Losses
Swati Gupta, Jai Moondra, Mohit Singh
The performance of online mirror descent depends critically on the geometry induced by its mirror map, yet standard algorithms largely rely on two canonical choices: Euclidean and…