RF-EXTRA achieves an exact O(1/K) convergence rate to stationary points on the Stiefel manifold via a contractive joint-error recursion with constant step sizes in decentralized static networks.
Consensus optimization on manifolds.SIAM Journal on Control and Optimization
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A Retraction-Free EXTRA Method for Decentralized Optimization on the Stiefel Manifold
RF-EXTRA achieves an exact O(1/K) convergence rate to stationary points on the Stiefel manifold via a contractive joint-error recursion with constant step sizes in decentralized static networks.