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Accelerated Multiplicative Weights Update Avoids Saddle Points almost always



Yi Feng , Ioannis Panageas , Xiao Wang

* 21 pages, 12 figures 

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Teamwork makes von Neumann work: Min-Max Optimization in Two-Team Zero-Sum Games



Fivos Kalogiannis , Ioannis Panageas , Emmanouil-Vasileios Vlatakis-Gkaragkounis


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Independent Natural Policy Gradient Always Converges in Markov Potential Games



Roy Fox , Stephen McAleer , Will Overman , Ioannis Panageas

* 24 pages 

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Global Convergence of Multi-Agent Policy Gradient in Markov Potential Games



Stefanos Leonardos , Will Overman , Ioannis Panageas , Georgios Piliouras


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Fast Convergence of Langevin Dynamics on Manifold: Geodesics meet Log-Sobolev



Xiao Wang , Qi Lei , Ioannis Panageas


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Efficient Statistics for Sparse Graphical Models from Truncated Samples



Arnab Bhattacharyya , Rathin Desai , Sai Ganesh Nagarajan , Ioannis Panageas


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Convergence to Second-Order Stationarity for Non-negative Matrix Factorization: Provably and Concurrently



Ioannis Panageas , Stratis Skoulakis , Antonios Varvitsiotis , Xiao Wang


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Logistic-Regression with peer-group effects via inference in higher order Ising models



Constantinos Daskalakis , Nishanth Dikkala , Ioannis Panageas

* 16 pages 

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Better Depth-Width Trade-offs for Neural Networks through the lens of Dynamical Systems



Vaggos Chatziafratis , Sai Ganesh Nagarajan , Ioannis Panageas


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