Ralf Hielscher

According to our database, Ralf Hielscher authored at least 10 papers between 2013 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

On the Role of the Double Fourier Sphere Method in Fast Algorithms on SO(3).

Ralf Hielscher, Erik Wuensche

CoRR, February, 2026

2024

An optimal ansatz space for moving least squares approximation on spheres.

Ralf Hielscher, Tim Pöschl

Adv. Comput. Math., December, 2024

2023

Approximating the derivative of manifold-valued functions.

Ralf Hielscher, Laura Lippert

J. Approx. Theory, January, 2023

Marcinkiewicz-Zygmund inequalities for scattered and random data on the q-sphere.

Frank Filbir, Ralf Hielscher, Thomas Jahn, Tino Ullrich

CoRR, 2023

2022

An Image Registration Model in Electron Backscatter Diffraction.

Manuel Gräf, Sebastian Neumayer, Ralf Hielscher, Gabriele Steidl, Moritz Liesegang, Tilmann Beck

SIAM J. Imaging Sci., 2022

Concentration inequalities for cross-validation in scattered data approximation.

Felix Bartel, Ralf Hielscher

J. Approx. Theory, 2022

2021

Locally isometric embeddings of quotients of the rotation group modulo finite symmetries.

Ralf Hielscher, Laura Lippert

J. Multivar. Anal., 2021

Optimality of Cross-validation in Scattered Data Approximation.

Felix Bartel, Ralf Hielscher

CoRR, 2021

2015

Fast Global Optimization on the Torus, the Sphere, and the Rotation Group.

Manuel Gräf, Ralf Hielscher

SIAM J. Optim., 2015

2013

Kernel density estimation on the rotation group and its application to crystallographic texture analysis.

Ralf Hielscher

J. Multivar. Anal., 2013