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math.OC2026
Computing Multi-Slot First-Price Pacing Equilibria at Scale via Entropic Smoothing
Yuchen Xie, Shenyinying Tu, Yuan Gao +2
Pacing equilibria describe how budget-constrained advertisers clear an ad market, but computing one at production scale is hard when every request fills several slots: the allocati…
cs.LG2026
Taming the Instability: A Robust Second-Order Optimizer for Federated Learning over Non-IID Data
Yuanqiao Zhang, Tiantian He, Yuan Gao +5
In this paper, we present Federated Robust Curvature Optimization (FedRCO), a novel second-order optimization framework designed to improve convergence speed and reduce communicati…