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math.OC2026
Lower Bounds For Gradient-Free Convex Optimization And Convex-Concave Saddle-Point Problems
Yuriy Dorn, Darina Dvinskikh, Timofei Loginov +4
We study the query complexity of optimization with exact scalar-value information. For globally -smooth convex functions on with a minimizer in a Euclidean ball of…
math.OC2026
The Complexity of Convex Optimization with Mismatched Geometry
Timofei Loginov, Alexander Gasnikov, Yuriy Dorn +4
Optimal first-order methods on non-Euclidean domains such as the ball pair the prox-function with the norm in which smoothness…