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Journal Article (4)

1.
Journal Article
Benner, P.; Onwunta, A.; Stoll, M.: A Low-Rank Inexact Newton-Krylov Method for Stochastic Eigenvalue Problems. Computational Methods in Applied Mathematics 19 (1), pp. 5 - 22 (2019)
2.
Journal Article
Benner, P.; Dolgov, S.; Onwunta, A.; Stoll, M.: Low-Rank Solvers for Unsteady Stokes-Brinkman Optimal Control Problem with Random Data. Computer Methods in Applied Mechanics and Engineering 304, pp. 26 - 54 (2016)
3.
Journal Article
Benner, P.; Onwunta, A.; Stoll, M.: Block-diagonal Preconditioning for Optimal Control Problems Constrained by PDEs with Uncertain Inputs. SIAM Journal on Matrix Analysis and Applications 37 (2), pp. 491 - 518 (2016)
4.
Journal Article
Benner, P.; Onwunta, A.; Stoll, M.: Low-Rank Solution of Unsteady Diffusion Equations with Stochastic Coefficients. SIAM/ASA Journal on Uncertainty Quantification 3 (1), pp. 622 - 649 (2015)

Talk (8)

5.
Talk
Benner, P.; Onwunta, A.; Stoll, M.: Fast Solvers for Optimal Control Problems Constrained by PDEs with Uncertain Inputs. Computational Methods in Applied Mathematics (CMAM-7), Jyväskylä, Finland (2016)
6.
Talk
Benner, P.; Onwunta, A.; Stoll, M.: 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)
7.
Talk
Onwunta, A.: Block-Diagonal Preconditioning for Optimal Control Problems Constrained by PDEs with Uncertain Inputs. SIAM Conference on Uncertainty Quantification, Lausanne, Switzerland (2016)
8.
Talk
Onwunta, A.; Benner, P.; Stoll, M.: Efficient solvers for optimal control problems constrained by PDEs with uncertain inputs. 20th Conference of the International Linear Algebra Society (ILAS), Leuven, Belgium (2016)
9.
Talk
Onwunta, A.; Benner, P.; Stoll, M.: 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)
10.
Talk
Onwunta, A.; Stoll, M.; Benner, P.: 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)
11.
Talk
Benner, P.; Onwunta, A.; Stoll, M.: Low-Rank Solution of Unsteady Diffusion Equations with Stochastic Coefficients. SIAM Conference on Uncertainty Quantification, Savannah, Georgia, USA (2014)
12.
Talk
Benner, P.; Onwunta, A.; Stoll, M.: Low-Rank Solution of Unsteady Diffusion Equations with Stochastic Coefficients. 85th GAMM Annual Scientific Conference, Erlangen, Germany (2014)

Thesis - PhD (1)

13.
Thesis - PhD
Onwunta, A.: Low-Rank Iterative Solvers for Large-Scale Stochastic Galerkin Linear Systems. Dissertation, Otto-von-Guericke Universität, Magdeburg (2016)

Working Paper (1)

14.
Working Paper
Benner, P.; Onwunta, A.; Stoll, M.: On the Existence and Uniqueness of the Solution of a Parabolic Optimal Control Problem with Uncertain Inputs. (2018)
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