Publications

2025

A Newton method for solving locally definite multiparameter eigenvalue problems by multi-index

Henrik Eisenmann

SIAM Journal on Matrix Analysis and Applications 46, 2025.

Dynamical low-rank tensor approximations to high-dimensional parabolic problems: existence and convergence of spatial discretizations

Markus Bachmayr, Henrik Eisenmann and André Uschmajew

Numerische Mathematik 157, 2025.

Adaptive stochastic Galerkin finite element methods: Optimality and non-affine coefficients

Markus Bachmayr, Henrik Eisenmann and Igor Voulis

Arxiv Preprint, 2025.

2024

A convergent adaptive finite element stochastic Galerkin method based on multilevel expansions of random fields

Markus Bachmayr, Martin Eigel, Henrik Eisenmann and Igor Voulis

Arxiv Preprint, 2024.

2023

Riemannian thresholding methods for row-sparse and low-rank matrix recovery

Henrik Eisenmann, Felix Krahmer, Max Pfeffer and André Uschmajew

Numerical Algorithms 93, 2023.

Maximum relative distance between real rank-two and rank-one tensors

Henrik Eisenmann and André Uschmajew

Annali di Matematica Pura ed Applicata. Series IV 202, 2023.

2022

Solving two-parameter eigenvalue problems using an alternating method

Henrik Eisenmann and Yuji Nakatsukasa

Linear Algebra and its Applications 643, 2022.

The geometries of Jordan nets and Jordan webs

Arthur Bik and Henrik Eisenmann

Annali di Matematica Pura ed Applicata. Series IV 201, 2022.

2021

Jordan algebras of symmetric matrices

Arthur Bik, Henrik Eisenmann and Bernd Sturmfels

Le Matematiche 76, 2021.

Existence of dynamical low-rank approximations to parabolic problems

Markus Bachmayr, Henrik Eisenmann, Emil Kieri and André Uschmajew

Mathematics of Computation 90, 2021.