Ralf Zimmermann

Publication Activity (10 Years)

Years Active: 2013-2024
Publications (10 Years): 14

Top Topics

Euclidean Metric

Top Venues

SIAM J. Matrix Anal. Appl.

Publications

Jakob Stoye, Ralf Zimmermann
On the Injectivity Radius of the Stiefel Manifold: Numerical investigations and an explicit construction of a cut point at short distance. CoRR (2024)
Ralf Zimmermann, Jakob Stoye
The injectivity radius of the compact Stiefel manifold under the Euclidean metric. CoRR (2024)
Ralf Zimmermann, Jakob Stoye
High curvature means low-rank: On the sectional curvature of Grassmann and Stiefel manifolds and the underlying matrix trace inequalities. CoRR (2024)
Rasmus Jensen, Ralf Zimmermann
Riemannian optimization on the symplectic Stiefel manifold using second-order information. CoRR (2024)
Guanzhong Wang, Heinrich Ruser, Julian Schade, Johannes Passig, Ralf Zimmermann, Günther Dollinger, Thomas Adam
CNN-Based Aerosol Particle Classification Using 2D Representations of Single-Particle Mass Spectrometer Data. ICAIIC (2024)
Simon Mataigne, Ralf Zimmermann, Nina Miolane
An efficient algorithm for the Riemannian logarithm on the Stiefel manifold for a family of Riemannian metrics. CoRR (2024)
Johannes Passig, Julian Schade, Ellen Iva Rosewig, Michael Pütz, Martin Seipenbusch, Sven Ehlert, Heinrich Ruser, Thomas Adam, Andreas Walte, Ralf Zimmermann
Real-time Detection of Chemical Compounds in Dust Particles Using a Single-Particle Mass Spectrometer and its Potential for Safety Applications. SENSORS (2023)
Verena Lachner, Katharina Schaar, Ralf Zimmermann
CSM In Motion Vector Steganalysis: The Effect of Coders on Motion Vectors in H.264 Video Encoding. ICASSP (2023)
Ralf Zimmermann, Ronny Bergmann
Multivariate Hermite interpolation of manifold-valued data. CoRR (2022)
Ralf Zimmermann, Knut Hüper
Computing the Riemannian Logarithm on the Stiefel Manifold: Metrics, Methods, and Performance. SIAM J. Matrix Anal. Appl. 43 (2) (2022)
Ralf Zimmermann, Knut Hüper
Computing the Riemannian logarithm on the Stiefel manifold: metrics, methods and performance. CoRR (2021)
Ralf Zimmermann
A geometric approach to subspace updates and orthogonal matrix decompositions under rank-one modifications. Math. Comput. 90 (328) (2021)
Ralf Zimmermann
Hermite Interpolation and Data Processing Errors on Riemannian Matrix Manifolds. SIAM J. Sci. Comput. 42 (5) (2020)
Dirk Pawlaszczyk, Jannik Weber, Ralf Zimmermann, Christian Hummert
Android apps and advertising networks - a survey on data privacy. Int. J. Inf. Priv. Secur. Integr. 4 (4) (2020)
Immanuel Schweizer, Ralf Zimmermann, Michael Stein, Max Mühlhäuser
a-kTC: Integrating topology control into the stack. LCN (2015)
Friedrich Wiemer, Ralf Zimmermann
High-speed implementation of bcrypt password search using special-purpose hardware. ReConFig (2014)
Oren Halvani, Martin Steinebach, Ralf Zimmermann
Authorship Verification via k-Nearest Neighbor Estimation Notebook for PAN at CLEF 2013. CLEF (Working Notes) (2013)
Oren Halvani, Martin Steinebach, Patrick Wolf, Ralf Zimmermann
Natural language watermarking for german texts. IH&MMSec (2013)