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10/31/2022
Fast Principal Component Analysis for Cryo-EM Images
Principal component analysis (PCA) plays an important role in the analys...
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09/21/2022
Autocorrelation analysis for cryo-EM with sparsity constraints: Improved sample complexity and projection-based algorithms
The number of noisy images required for molecular reconstruction in sing...
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07/27/2022
Fast expansion into harmonics on the disk: a steerable basis with fast radial convolutions
We present a fast and numerically accurate method for expanding digitize...
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02/24/2022
An optimal scheduled learning rate for a randomized Kaczmarz algorithm
We study how the learning rate affects the performance of a relaxed rand...
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02/21/2022
The Role of Heterogeneity in Autonomous Perimeter Defense Problems
When is heterogeneity in the composition of an autonomous robotic team b...
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09/23/2021
Sparse multi-reference alignment: sample complexity and computational hardness
Motivated by the problem of determining the atomic structure of macromol...
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02/18/2021
Recovering orthogonal tensors under arbitrarily strong, but locally correlated, noise
We consider the problem of recovering an orthogonally decomposable tenso...
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08/29/2019
Multi-resolution Low-rank Tensor Formats
We describe a simple, black-box compression format for tensors with a mu...
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06/14/2019
