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math.OC2025
Second-Order Optimization with Asynchronous Curvature
El Mahdi Chayti, Martin Jaggi
Second-order methods make fast progress per iteration, but forming and factorizing the Hessian often dominates their wall-clock time. We study \emph{Split-Client}, a task-parallel…
math.OC2025
Stochastic Optimization with Random Search
El Mahdi Chayti, Taha El Bakkali El Kadi, Omar Saadi +1
We revisit random search for stochastic optimization, where only noisy function evaluations are available. We show that the method works under weaker smoothness assumptions than pr…