Publikationen von Akwum Onwunta
Alle Typen
Zeitschriftenartikel (4)
2019
Zeitschriftenartikel
19 (1), S. 5 - 22 (2019)
A Low-Rank Inexact Newton-Krylov Method for Stochastic Eigenvalue Problems. Computational Methods in Applied Mathematics 2016
Zeitschriftenartikel
304, S. 26 - 54 (2016)
Low-Rank Solvers for Unsteady Stokes-Brinkman Optimal Control Problem with Random Data. Computer Methods in Applied Mechanics and Engineering
Zeitschriftenartikel
37 (2), S. 491 - 518 (2016)
Block-diagonal Preconditioning for Optimal Control Problems Constrained by PDEs with Uncertain Inputs. SIAM Journal on Matrix Analysis and Applications 2015
Zeitschriftenartikel
3 (1), S. 622 - 649 (2015)
Low-Rank Solution of Unsteady Diffusion Equations with Stochastic Coefficients. SIAM/ASA Journal on Uncertainty Quantification Vortrag (8)
2016
Vortrag
Fast Solvers for Optimal Control Problems Constrained by PDEs with Uncertain Inputs. Computational Methods in Applied Mathematics (CMAM-7), Jyväskylä, Finland (2016)
Vortrag
Block-diagonal Preconditioning for Optimal Control Problems Constrained by PDEs with Uncertain Inputs. 87th annual conference of the International Association of Applied Mathematics and Mechanics, Braunschweig, Germany (2016)
Vortrag
Block-Diagonal Preconditioning for Optimal Control Problems Constrained by PDEs with Uncertain Inputs. SIAM Conference on Uncertainty Quantification, Lausanne, Switzerland (2016)
Vortrag
Efficient solvers for optimal control problems constrained by PDEs with uncertain inputs. 20th Conference of the International Linear Algebra Society (ILAS), Leuven, Belgium (2016)
Vortrag
Efficient solvers for optimal control problems constrained by PDEs with uncertain inputs. Workshop on Direct and Inverse Problems for PDEs with Random Coefficients, Berlin, Germany (2016)
2015
Vortrag
All-at-once Approach to Optimal Control Problems Constrained by PDEs with Uncertain Inputs. SIAM Conference on Computational Science and Engineering, Salt Lake City, Utah, United States (2015)
2014
Vortrag
Low-Rank Solution of Unsteady Diffusion Equations with Stochastic Coefficients. SIAM Conference on Uncertainty Quantification, Savannah, Georgia, USA (2014)
Vortrag
Low-Rank Solution of Unsteady Diffusion Equations with Stochastic Coefficients. 85th GAMM Annual Scientific Conference, Erlangen, Germany (2014)
Hochschulschrift - Doktorarbeit (1)
2016
Hochschulschrift - Doktorarbeit
Low-Rank Iterative Solvers for Large-Scale Stochastic Galerkin Linear Systems. Dissertation, Otto-von-Guericke Universität, Magdeburg (2016)
Preprint (2)
2018
Preprint
On the Existence and Uniqueness of the Solution of a Parabolic Optimal Control Problem with Uncertain Inputs. (2018)
2017
Preprint
Solving Optimal Control Problems governed by Random Navier-Stokes Equations using Low-Rank Methods. (2017)