Ralf Zimmermann
Syddansk Universitet
H-index: 20
Europe-Denmark
Top articles of Ralf Zimmermann
Title | Journal | Author(s) | Publication Date |
|---|---|---|---|
Randomized greedy magic point selection schemes for nonlinear model reduction | Advances in Computational Mathematics | Ralf Zimmermann Kai Cheng | 2024/3/13 |
On the Injectivity Radius of the Stiefel Manifold: Numerical investigations and an explicit construction of a cut point at short distance | arXiv preprint arXiv:2403.03782 | Jakob Stoye Ralf Zimmermann | 2024/3/6 |
High curvature means low-rank: On the sectional curvature of Grassmann and Stiefel manifolds and the underlying matrix trace inequalities | arXiv preprint arXiv:2403.01879 | Ralf Zimmermann Jakob Stoye | 2024/3/4 |
Multivariate Hermite Interpolation on Riemannian Manifolds | SIAM Journal on Scientific Computing | Ralf Zimmermann Ronny Bergmann | 2024/4/30 |
A Grassmann manifold handbook: Basic geometry and computational aspects | Advances in Computational Mathematics | Thomas Bendokat Ralf Zimmermann P-A Absil | 2024/2 |
Riemannian optimization on the symplectic Stiefel manifold using second-order information | SIAM Journal on Optimization | Bin Gao Nguyen Thanh Son P-A Absil Tatjana Stykel | 2021 |
An efficient algorithm for the Riemannian logarithm on the Stiefel manifold for a family of Riemannian metrics | arXiv preprint arXiv:2403.11730 | Simon Mataigne Ralf Zimmermann Nina Miolane | 2024/3/18 |
Gradient-enhanced Kriging for high-dimensional Bayesian optimization with linear embedding | AIAA Journal | Kai Cheng Ralf Zimmermann | 2023/11 |
Adaptive data-driven probabilistic reduced-order models for parameterized dynamical systems | Available at SSRN 4473582 | Kai Cheng Ralf Zimmermann | 2023 |
Sliced gradient-enhanced Kriging for high-dimensional function approximation | SIAM Journal on Scientific Computing | Kai Cheng Ralf Zimmermann | 2023/12/31 |
Computing the riemannian logarithm on the stiefel manifold: Metrics, methods, and performance | SIAM Journal on Matrix Analysis and Applications | Ralf Zimmermann Knut Hüper | 2022 |
Multivariate Hermite interpolation of manifold-valued data | arXiv preprint arXiv:2212.07281 | Ralf Zimmermann Ronny Bergmann | 2022/12/14 |
Gradient-enhanced polynomial chaos expansion for high-dimensional function approximation | Kai Cheng Ralf Zimmermann | 2022/10 | |
Geometric optimization for structure-preserving model reduction of Hamiltonian systems | IFAC-PapersOnLine | Thomas Bendokat Ralf Zimmermann | 2022/1/1 |
Efficient quasi-geodesics on the Stiefel manifold | Thomas Bendokat Ralf Zimmermann | 2021 | |
Manifold interpolation | Ralf Zimmermann | 2021/11/8 | |
The real symplectic Stiefel and Grassmann manifolds: metrics, geodesics and applications | arXiv preprint arXiv:2108.12447 | Thomas Bendokat Ralf Zimmermann | 2021/8/27 |
Model reduction of complex dynamical systems | Peter Benner Tobias Breiten Heike Faßbender Michael Hinze Tatjana Stykel | 2021/8/26 | |
A geometric approach to subspace updates and orthogonal matrix decompositions under rank-one modifications | Mathematics of Computation | Ralf Zimmermann | 2021/3 |
Hermite interpolation and data processing errors on Riemannian matrix manifolds | SIAM Journal on Scientific Computing | Ralf Zimmermann | 2020 |
Co-Authors
