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09/09/2023
A subspace constrained randomized Kaczmarz method for structure or external knowledge exploitation
We study a subspace constrained version of the randomized Kaczmarz algor...
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08/15/2023
On Subsampled Quantile Randomized Kaczmarz
When solving noisy linear systems Ax = b + c, the theoretical and empiri...
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06/27/2023
On Graph Uncertainty Principle and Eigenvector Delocalization
Uncertainty principles present an important theoretical tool in signal p...
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08/20/2022
Sharp Analysis of Sketch-and-Project Methods via a Connection to Randomized Singular Value Decomposition
Sketch-and-project is a framework which unifies many known iterative met...
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06/25/2022
On Block Accelerations of Quantile Randomized Kaczmarz for Corrupted Systems of Linear Equations
With the growth of large data as well as large-scale learning tasks, the...
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09/21/2021
Modewise Operators, the Tensor Restricted Isometry Property, and Low-Rank Tensor Recovery
Recovery of sparse vectors and low-rank matrices from a small number of ...
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06/03/2021
Nonlinear Matrix Approximation with Radial Basis Function Components
We introduce and investigate matrix approximation by decomposition into ...
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04/28/2021
Analysis of Legal Documents via Non-negative Matrix Factorization Methods
The California Innocence Project (CIP), a clinical law school program ai...
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10/22/2020
On a Guided Nonnegative Matrix Factorization
Fully unsupervised topic models have found fantastic success in document...
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10/04/2020
On Nonnegative Matrix and Tensor Decompositions for COVID-19 Twitter Dynamics
We analyze Twitter data relating to the COVID-19 pandemic using dynamic ...
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09/17/2020
Quantile-based Iterative Methods for Corrupted Systems of Linear Equations
Often in applications ranging from medical imaging and sensor networks t...
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09/07/2020
COVID-19 Literature Topic-Based Search via Hierarchical NMF
A dataset of COVID-19-related scientific literature is compiled, combini...
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11/28/2019
Sketching for Motzkin's Iterative Method for Linear Systems
Projection-based iterative methods for solving large over-determined lin...
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03/27/2018