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08/23/2021
Symmetries in Directed Gaussian Graphical Models
We define Gaussian graphical models on directed acyclic graphs with colo...
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02/12/2021
Barriers for recent methods in geodesic optimization
We study a class of optimization problems including matrix scaling, matr...
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12/14/2020
Toric invariant theory for maximum likelihood estimation in log-linear models
We establish connections between invariant theory and maximum likelihood...
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04/03/2020
Tensor Rank and Complexity
These lecture notes are intended as an introduction to several notions o...
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03/30/2020