optimal convergence rates

4 papers

• Adaptive Algorithms with Sharp Convergence Rates for Stochastic Hierarchical Optimization
• Fast Projection-Free Approach (without Optimization Oracle) for Optimization over Compact Convex Set
• Optimistic Online-to-Batch Conversions for Accelerated Convergence and Universality
• Theoretical Investigation of Adafactor for Non-Convex Smooth Optimization