2 papers
cs.LG2026
Pro-KLShampoo: Projected KL-Shampoo with Whitening Recovered by Orthogonalization
Ruotong Sun, Ermin Wei
Optimizers that exploit the matrix structure of gradients are central to modern LLM pre-training, with two distinct frontiers: explicit Kronecker-factored preconditioning -- most r…
eess.SY2025
Optimal Battery Placement in Power Grid
Ruotong Sun, Ermin Wei, Lihui Yi
We study the optimal placement of an unlimited-capacity battery in power grids under a centralized market model, where the independent system operator (ISO) aims to minimize total…