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cs.LG2022
When is Momentum Extragradient Optimal? A Polynomial-Based Analysis
Junhyung Lyle Kim, Gauthier Gidel, Anastasios Kyrillidis +1
The extragradient method has gained popularity due to its robust convergence properties for differentiable games. Unlike single-objective optimization, game dynamics involve comple…
quant-ph2022
Local Stochastic Factored Gradient Descent for Distributed Quantum State Tomography
Junhyung Lyle Kim, Mohammad Taha Toghani, César A. Uribe +1
We propose a distributed Quantum State Tomography (QST) protocol, named Local Stochastic Factored Gradient Descent (Local SFGD), to learn the low-rank factor of a density matrix ov…