Article-Journal

Convergence Analysis of Accelerated Stochastic Gradient Descent under the Growth Condition

We study the convergence of accelerated stochastic gradient descent for strongly convex objectives under the growth condition, which states that the variance of stochastic gradient …

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You-Lin Chen
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A Fast Temporal Decomposition Procedure for Long-horizon Nonlinear Dynamic Programming

We propose a fast temporal decomposition procedure for solving long-horizon nonlinear dynamic programs. The core of the procedure is sequential quadratic programming (SQP), with a …

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Sen Na
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Personalized Federated Learning: A Unified Framework and Universal Optimization Techniques

We study the optimization aspects of personalized Federated Learning (FL). We develop a universal optimization theory applicable to all convex personalized FL models in the …

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Filip Hanzely
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L-SVRG and L-Katyusha with Adaptive Sampling

Stochastic gradient-based optimization methods, such as L-SVRG and its accelerated variant L-Katyusha [12], are widely used to train machine learning models. Theoretical and …

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Boxin Zhao
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Inequality Constrained Stochastic Nonlinear Optimization via Active-Set Sequential Quadratic Programming

We study nonlinear optimization problems with stochastic objective and deterministic equality and inequality constraints, which emerge in numerous applications including finance, …

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Sen Na
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Provably training overparameterized neural network classifiers with non-convex constraints

Training a classifier under non-convex constraints has gotten increasing attention in the machine learning community thanks to its wide range of applications such as algorithmic …

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You-Lin Chen
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Local AdaGrad-type algorithm for stochastic convex-concave optimization

Large scale convex-concave minimax problems arise in numerous applications, including game theory, robust training, and training of generative adversarial networks. Despite their …

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Luofeng Liao
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An adaptive stochastic sequential quadratic programming with differentiable exact augmented lagrangians

We consider solving nonlinear optimization problems with a stochastic objective and deterministic equality constraints. We assume for the objective that its evaluation, gradient, …

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Sen Na
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Joint Gaussian Graphical Model Estimation: A Survey

Abstract Graphs representing complex systems often share a partial underlying structure across domains while retaining individual features. Thus, identifying common structures can …

katherine-tsai
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FuDGE: A Method to Estimate a Functional Differential Graph in a High-Dimensional Setting

We consider the problem of estimating the difference between two undirected functional graphical models with shared structures. In many applications, data are naturally regarded as …

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Boxin Zhao
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