Grey Ballard

Wake Forest University — United States

Computer Science · Physical Sciences

24h-index2.2kcitations143works1.92yr avg
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Research Topics

Parallel Computing and Optimization Techniques(62), Tensor decomposition and applications(48), Interconnection Networks and Systems(38), Matrix Theory and Algorithms(26), Face and Expression Recognition(15)

Publications143 total

Adaptive Randomized Tensor Train Rounding using Khatri-Rao Products
arXiv (Cornell University)·2025Open Access
Improved Analysis of Khatri-Rao Random Projections and Applications
arXiv (Cornell University)·2025Open Access
Brief Announcement: Minimizing Communication for Parallel Symmetric Tensor Times Same Vector Computation
2025· 1 citedOpen Access
Minimizing Communication for Parallel Symmetric Tensor Times Same Vector Computation
arXiv (Cornell University)·2025Open Access
Tensor Decompositions for Data Science
Cambridge University Press eBooks·2025· 10 cited
Visualizing MPI Collective Communication
2025
Communication Lower Bounds and Optimal Algorithms for Symmetric Matrix Computations
ACM Transactions on Parallel Computing·2025· 1 citedOpen Access
Randomized Algorithms for Symmetric Nonnegative Matrix Factorization
SIAM Journal on Matrix Analysis and Applications·2025Open Access
On Rank Selection for Nonnegative Matrix Factorization
2024
Visualizing PRAM Algorithm for Mergesort
2024· 2 cited
Parallel Randomized Tucker Decomposition Algorithms
SIAM Journal on Scientific Computing·2024· 10 cited
Randomized Algorithms for Symmetric Nonnegative Matrix Factorization
arXiv (Cornell University)·2024Open Access
Communication Lower Bounds and Optimal Algorithms for Multiple Tensor-Times-Matrix Computation
SIAM Journal on Matrix Analysis and Applications·2024· 2 citedOpen Access
Sequential and Shared-Memory Parallel Algorithms for Partitioned Local Depths
Society for Industrial and Applied Mathematics eBooks·2024
Sequential and Shared-Memory Parallel Algorithms for Partitioned Local Depths
arXiv (Cornell University)·2023Open Access
AminerMag S Dataset
Zenodo (CERN European Organization for Nuclear Research)·2023Open Access
AminerMag X Dataset
Zenodo (CERN European Organization for Nuclear Research)·2023Open Access
AminerMag S Dataset
Zenodo (CERN European Organization for Nuclear Research)·2023Open Access
AminerMag X Dataset
2023Open Access
Distributed-Memory Parallel JointNMF
2023· 1 citedOpen Access
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Frequent Co-authors

James Demmel(25), Oded Schwartz(22), Benjamin Lipshitz(11), Olga Holtz(10), Sivan Toledo(6), Laura Grigori(5), Alex Druinsky(5), Ramakrishnan Kannan(4), Haesun Park(4), Tamara G. Kolda(3), Aydın Buluç(3), Austin R. Benson(3), Koby Hayashi(3), Nicholas Knight(3), Nicholas Knight(2), Michael J. Tobia(2), Mathias Jacquelin(2), Hussam Al Daas(2), Dulcenéia Becker(2), Jack Dongarra(2)