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05/20/2022
pISTA: preconditioned Iterative Soft Thresholding Algorithm for Graphical Lasso
We propose a novel quasi-Newton method for solving the sparse inverse co...
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02/18/2021
On Adapting Nesterov's Scheme to Accelerate Iterative Methods for Linear Problems
Nesterov's well-known scheme for accelerating gradient descent in convex...
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10/01/2020
On the recursive structure of multigrid cycles
A new non-adaptive recursive scheme for multigrid algorithms is introduc...
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08/09/2020
Adjustable Coins
In this paper we consider a scenario where there are several algorithms ...
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03/12/2020
Learning Algebraic Multigrid Using Graph Neural Networks
Efficient numerical solvers for sparse linear systems are crucial in sci...
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02/25/2019
Learning to Optimize Multigrid PDE Solvers
Constructing fast numerical solvers for partial differential equations (...
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12/17/2018
Accelerating Multigrid Optimization via SESOP
A merger of two optimization frameworks is introduced: SEquential Subspa...
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07/01/2016
A multilevel framework for sparse optimization with application to inverse covariance estimation and logistic regression
Solving l1 regularized optimization problems is common in the fields of ...
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03/21/2010