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05/25/2023
Bi-fidelity Variational Auto-encoder for Uncertainty Quantification
Quantifying the uncertainty of quantities of interest (QoIs) from physic...
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02/03/2023
Construction of Hierarchically Semi-Separable matrix Representation using Adaptive Johnson-Lindenstrauss Sketching
We extend an adaptive partially matrix-free Hierarchically Semi-Separabl...
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01/29/2023
Fast Exact Leverage Score Sampling from Khatri-Rao Products with Applications to Tensor Decomposition
We present a data structure to randomly sample rows from the Khatri-Rao ...
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10/11/2022
Distributed-Memory Randomized Algorithms for Sparse Tensor CP Decomposition
Low-rank Candecomp / PARAFAC (CP) Decomposition is a powerful tool for t...
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10/07/2022
Sampling-Based Decomposition Algorithms for Arbitrary Tensor Networks
We show how to develop sampling-based alternating least squares (ALS) al...
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09/13/2022
Quadrature Sampling of Parametric Models with Bi-fidelity Boosting
Least squares regression is a ubiquitous tool for building emulators (a....
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09/13/2022
Fast Algorithms for Monotone Lower Subsets of Kronecker Least Squares Problems
Approximate solutions to large least squares problems can be computed ef...
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10/14/2021
More Efficient Sampling for Tensor Decomposition
Recent papers have developed alternating least squares (ALS) methods for...
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10/17/2020
Binary Matrix Factorization on Special Purpose Hardware
Many fundamental problems in data mining can be reduced to one or more N...
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10/16/2020
A Sampling Based Method for Tensor Ring Decomposition
We propose a sampling based method for computing the tensor ring (TR) de...
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11/19/2019
Guarantees for the Kronecker Fast Johnson-Lindenstrauss Transform Using a Coherence and Sampling Argument
In the recent paper [Jin, Kolda Ward, arXiv:1909.04801], it is prove...
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10/16/2019
Tensor Graph Convolutional Networks for Prediction on Dynamic Graphs
Many irregular domains such as social networks, financial transactions, ...
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05/17/2019
Randomization of Approximate Bilinear Computation for Matrix Multiplication
We present a method for randomizing a formula for bilinear computation o...
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01/29/2019