Ralf Zimmermann

Publication Activity (10 Years)

Years Active: 2010-2024
Publications (10 Years): 15

Top Topics

Euclidean Space

Grassmann Manifold

Top Venues

Adv. Comput. Math.

SIAM J. Sci. Comput.

SIAM J. Matrix Anal. Appl.

Publications

Thomas Bendokat, Ralf Zimmermann, Pierre-Antoine Absil
A Grassmann manifold handbook: basic geometry and computational aspects. Adv. Comput. Math. 50 (1) (2024)
Ralf Zimmermann, Ronny Bergmann
Multivariate Hermite Interpolation on Riemannian Manifolds. SIAM J. Sci. Comput. 46 (2) (2024)
Thomas Bendokat, Ralf Zimmermann, Pierre-Antoine Absil
Correction: A Grassmann manifold handbook: basic geometry and computational aspects. Adv. Comput. Math. 50 (2) (2024)
Ralf Zimmermann, Kai Cheng
Randomized greedy magic point selection schemes for nonlinear model reduction. Adv. Comput. Math. 50 (4) (2024)
Kai Cheng, Ralf Zimmermann
Sliced Gradient-Enhanced Kriging for High-Dimensional Function Approximation. SIAM J. Sci. Comput. 45 (6) (2023)
Thomas Bendokat, Ralf Zimmermann
Efficient Quasi-Geodesics on the Stiefel Manifold. GSI (2021)
Thomas Bendokat, Ralf Zimmermann
The real symplectic Stiefel and Grassmann manifolds: metrics, geodesics and applications. CoRR (2021)
Thomas Bendokat, Ralf Zimmermann
Efficient Quasi-Geodesics on the Stiefel Manifold. CoRR (2021)
Thomas Bendokat, Ralf Zimmermann, Pierre-Antoine Absil
A Grassmann Manifold Handbook: Basic Geometry and Computational Aspects. CoRR (2020)
Ralf Zimmermann
Hermite Interpolation and data processing errors on Riemannian matrix manifolds. CoRR (2019)
Anna Bertram, Ralf Zimmermann
Theoretical investigations of the new Cokriging method for variable-fidelity surrogate modeling - Well-posedness and maximum likelihood training. Adv. Comput. Math. 44 (6) (2018)
Ralf Zimmermann, Benjamin Peherstorfer, Karen Willcox
Geometric Subspace Updates with Applications to Online Adaptive Nonlinear Model Reduction. SIAM J. Matrix Anal. Appl. 39 (1) (2018)
Peter Benner, Heike Faßbender, Michael Hinze, Tatjana Stykel, Ralf Zimmermann
Model reduction of complex dynamical systems - Editorial of the special issue corresponding to a workshop held at SDU Odense, Denmark, January 11-13, 2017. Adv. Comput. Math. 44 (6) (2018)
Ralf Zimmermann
A Matrix-Algebraic Algorithm for the Riemannian Logarithm on the Stiefel Manifold under the Canonical Metric. SIAM J. Matrix Anal. Appl. 38 (2) (2017)
Ralf Zimmermann, Karen Willcox
An Accelerated Greedy Missing Point Estimation Procedure. SIAM J. Sci. Comput. 38 (5) (2016)
Ralf Zimmermann
Local Parametrization of Subspaces on Matrix Manifolds via Derivative Information. ENUMATH (2015)
Ralf Zimmermann
Erratum to "Asymptotic Behavior of the Likelihood Function of Covariance Matrices of Spatial Gaussian Processes". J. Appl. Math. 2014 (2014)
Ralf Zimmermann
A Locally Parametrized Reduced-Order Model for the Linear Frequency Domain Approach to Time-Accurate Computational Fluid Dynamics. SIAM J. Sci. Comput. 36 (3) (2014)
Ralf Zimmermann
On the Maximum Likelihood Training of Gradient-Enhanced Spatial Gaussian Processes. SIAM J. Sci. Comput. 35 (6) (2013)
Ralf Zimmermann
Gradient-enhanced surrogate modeling based on proper orthogonal decomposition. J. Comput. Appl. Math. 237 (1) (2013)
Ralf Zimmermann
Asymptotic Behavior of the Likelihood Function of Covariance Matrices of Spatial Gaussian Processes. J. Appl. Math. 2010 (2010)
Ralf Zimmermann, Stefan Görtz
Non-linear reduced order models for steady aerodynamics. ICCS (1) (2010)