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Akwum Onwunta
Akwum Onwunta
Dept. of Industrial and Systems Engineering, Lehigh University
Verified email at lehigh.edu - Homepage
Title
Cited by
Cited by
Year
Low-rank solvers for unsteady Stokes–Brinkman optimal control problem with random data
P Benner, S Dolgov, A Onwunta, M Stoll
Computer Methods in Applied Mechanics and Engineering 304, 26-54, 2016
652016
Block-diagonal preconditioning for optimal control problems constrained by PDEs with uncertain inputs
P Benner, A Onwunta, M Stoll
SIAM Journal on Matrix Analysis and Applications 37 (2), 491-518, 2016
522016
Low-rank solution of unsteady diffusion equations with stochastic coefficients
P Benner, A Onwunta, M Stoll
SIAM/ASA Journal on Uncertainty Quantification 3 (1), 622-649, 2015
452015
Novel deep neural networks for solving bayesian statistical inverse
H Antil, HC Elman, A Onwunta, D Verma
arXiv preprint arXiv:2102.03974, 2021
212021
Validating structural credit portfolio models
M Kalkbrener, A Onwunta
Model risk—identification, measurement and management. Risk Books, London …, 2010
212010
Low‐rank solution of an optimal control problem constrained by random Navier‐Stokes equations
P Benner, S Dolgov, A Onwunta, M Stoll
International Journal for Numerical Methods in Fluids 92 (11), 1653-1678, 2020
142020
A low-rank inexact Newton–Krylov method for stochastic eigenvalue problems
P Benner, A Onwunta, M Stoll
Computational Methods in Applied Mathematics 19 (1), 5-22, 2019
132019
TTRISK: Tensor train decomposition algorithm for risk averse optimization
H Antil, S Dolgov, A Onwunta
Numerical Linear Algebra with Applications 30 (3), e2481, 2023
112023
Solving optimal control problems governed by random Navier-Stokes equations using low-rank methods
P Benner, S Dolgov, A Onwunta, M Stoll
arXiv preprint arXiv:1703.06097, 2017
112017
A deep neural network approach for parameterized PDEs and Bayesian inverse problems
H Antil, HC Elman, A Onwunta, D Verma
Machine Learning: Science and Technology 4 (3), 035015, 2023
92023
Optimal control, numerics, and applications of fractional PDEs
H Antil, T Brown, R Khatri, A Onwunta, D Verma, M Warma
Handbook of Numerical Analysis 23, 87-114, 2022
92022
Threshold accepting for credit risk assessment and validation
M Lyra, A Onwunta, P Winker
Journal of Banking Regulation 16, 130-145, 2015
62015
On the existence and uniqueness of the solution of a parabolic optimal control problem with uncertain inputs
P Benner, A Onwunta, M Stoll
arXiv preprint arXiv:1809.10645, 2018
52018
State-constrained optimization problems under uncertainty: A tensor train approach
H Antil, S Dolgov, A Onwunta
arXiv preprint arXiv:2301.08684, 2023
32023
Deep nonnegative matrix factorization with beta divergences
V Leplat, LTK Hien, A Onwunta, N Gillis
Neural Computation 36 (11), 2365-2402, 2024
22024
Efficient Score Matching with Deep Equilibrium Layers
Y Huang, Q Wang, A Onwunta, B Wang
The Twelfth International Conference on Learning Representations, 2024
22024
Reduced-order modeling for nonlinear Bayesian statistical inverse problems
HC Elman, A Onwunta
arXiv preprint arXiv:1909.02539, 2019
22019
Fast-forwarding quantum algorithms for linear dissipative differential equations
D An, A Onwunta, G Yang
arXiv preprint arXiv:2410.13189, 2024
12024
Low-Rank Iterative Solvers for Large-Scale Stochastic Galerkin Linear Systems
A Onwunta
Otto-von-Guericke Universität Magdeburg, 2016
12016
COMISEF WORKING PAPERS SERIES
M Lyra, A Onwunta, P Winker
12010
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