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Chulhee Yun

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• Scaling Laws of SignSGD in Linear Regression: When Does It Outperform SGD?
• Implicit Bias of Per-sample Adam on Separable Data: Departure from the Full-batch Regime
• From Linear to Nonlinear: Provable Weak-to-Strong Generalization through Feature Learning
• The Cost of Robustness: Tighter Bounds on Parameter Complexity for Robust Memorization in ReLU Nets