Iteration-Complexity of the Subgradient Method on Riemannian Manifolds with Lower Bounded Curvature
Abstract
The subgradient method for convex optimization problems on complete Riemannian manifolds with lower bounded sectional curvature is analyzed in this paper. Iteration-complexity bounds of the subgradient method with exogenous step-size and Polyak's step-size are stablished, completing and improving recent results on the subject.
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