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Ioannis Panageas

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On the Convergence of EM for truncated mixtures of two Gaussians

Feb 19, 2019
Sai Ganesh Nagarajan, Ioannis Panageas

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Last-Iterate Convergence: Zero-Sum Games and Constrained Min-Max Optimization

Sep 17, 2018
Constantinos Daskalakis, Ioannis Panageas

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The Limit Points of (Optimistic) Gradient Descent in Min-Max Optimization

Jul 11, 2018
Constantinos Daskalakis, Ioannis Panageas

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First-order Methods Almost Always Avoid Saddle Points

Oct 20, 2017
Jason D. Lee, Ioannis Panageas, Georgios Piliouras, Max Simchowitz, Michael I. Jordan, Benjamin Recht

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Gradient Descent Only Converges to Minimizers: Non-Isolated Critical Points and Invariant Regions

Jun 07, 2016
Ioannis Panageas, Georgios Piliouras

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