Robert Altmann

Publication Activity (10 Years)

Years Active: 2012-2024
Publications (10 Years): 34

Top Topics

Discretization Methods

Boundary Conditions

Energy Minimization Problems

Algebraic Equations

Top Venues

Comput. Math. Appl.

SIAM J. Sci. Comput.

Publications

Robert Altmann, Daniel Peterseim, Tatjana Stykel
Riemannian Newton Methods for Energy Minimization Problems of Kohn-Sham Type. J. Sci. Comput. 101 (1) (2024)
Robert Altmann, Afsaneh Moradi
Probabilistic time integration for semi-explicit PDAEs. CoRR (2024)
Robert Altmann, Abdullah Mujahid, Benjamin Unger
Decoupling multistep schemes for elliptic-parabolic problems. CoRR (2024)
Robert Altmann, Matthias Deiml
A second-order iterative time integration scheme for linear poroelasticity. CoRR (2024)
Robert Altmann, Philipp Schulze
A novel energy-based modeling framework. CoRR (2024)
Robert Altmann
Splitting schemes for the semi-linear wave equation with dynamic boundary conditions. Comput. Math. Appl. 151 (2023)
Robert Altmann, Christoph Zimmer
A posteriori error estimation for parabolic problems with dynamic boundary conditions. CoRR (2023)
Robert Altmann, Matthias Deiml
A novel iterative time integration scheme for linear poroelasticity. CoRR (2023)
Robert Altmann, Daniel Peterseim, Tatjana Stykel
Riemannian Newton methods for energy minimization problems of Kohn-Sham type. CoRR (2023)
Robert Altmann, Abdullah Mujahid, Benjamin Unger
Higher-order iterative decoupling for poroelasticity. CoRR (2023)
Robert Altmann, Roland Maier
A Decoupling and Linearizing Discretization for Weakly Coupled Poroelasticity with Nonlinear Permeability. SIAM J. Sci. Comput. 44 (3) (2022)
Robert Altmann, Patrick Henning, Daniel Peterseim
Localization and Delocalization of Ground States of Bose-Einstein Condensates Under Disorder. SIAM J. Appl. Math. 82 (1) (2022)
Robert Altmann, Christoph Zimmer
Singular perturbation results for linear partial differential-algebraic equations of hyperbolic type. CoRR (2021)
Robert Altmann, Balázs Kovács, Christoph Zimmer
Bulk-surface Lie splitting for parabolic problems with dynamic boundary conditions. CoRR (2021)
Robert Altmann, Daniel Peterseim, Tatjana Stykel
Energy-adaptive Riemannian optimization on the Stiefel manifold. CoRR (2021)
Robert Altmann, Roland Maier
A decoupling and linearizing discretization for poroelasticity with nonlinear permeability. CoRR (2021)
Robert Altmann, Roland Maier, Benjamin Unger
Semi-explicit discretization schemes for weakly coupled elliptic-parabolic problems. Math. Comput. 90 (329) (2021)
Robert Altmann, Patrick Henning, Daniel Peterseim
The J-method for the Gross-Pitaevskii eigenvalue problem. Numerische Mathematik 148 (3) (2021)
Robert Altmann
Splitting schemes for the semi-linear wave equation with dynamic boundary conditions. CoRR (2021)
Robert Altmann, Barbara Verfürth
A Multiscale Method for Heterogeneous Bulk-Surface Coupling. Multiscale Model. Simul. 19 (1) (2021)
Robert Altmann, Patrick Henning, Daniel Peterseim
Numerical homogenization beyond scale separation. Acta Numer. 30 (2021)
Robert Altmann, Barbara Verfürth
A multiscale method for heterogeneous bulk-surface coupling. CoRR (2020)
Robert Altmann, Roland Herzog
Continuous Galerkin Schemes for Semi-Explicit Differential-Algebraic Equations. CoRR (2020)
Robert Altmann, Patrick Henning, Daniel Peterseim
Localization and delocalization of ground states of Bose-Einstein condensates under disorder. CoRR (2020)
Robert Altmann
A PDAE formulation of parabolic problems with dynamic boundary conditions. Appl. Math. Lett. 90 (2019)
Robert Altmann, Christoph Zimmer
Exponential integrators for semi-linear parabolic problems with linear constraints. CoRR (2019)
Robert Altmann, Roland Maier, Benjamin Unger
Semi-explicit discretization schemes for weakly-coupled elliptic-parabolic problems. CoRR (2019)
Robert Altmann, Daniel Peterseim
Localized Computation of Eigenstates of Random Schrödinger Operators. SIAM J. Sci. Comput. 41 (6) (2019)
Shubin Fu, Robert Altmann, Eric T. Chung, Roland Maier, Daniel Peterseim, Sai-Mang Pun
Computational multiscale methods for linear poroelasticity with high contrast. J. Comput. Phys. 395 (2019)
Robert Altmann, Patrick Henning, Daniel Peterseim
The J-method for the Gross-Pitaevskii eigenvalue problem. CoRR (2019)
Robert Altmann, Christoph Zimmer
Runge-Kutta methods for linear semi-explicit operator differential-algebraic equations. Math. Comput. 87 (309) (2018)
Robert Altmann, Alexander Ostermann
Splitting methods for constrained diffusion-reaction systems. Comput. Math. Appl. 74 (5) (2017)
Robert Altmann, Philipp Schulze
A port-Hamiltonian formulation of the Navier-Stokes equations for reactive flows. Syst. Control. Lett. 100 (2017)
Robert Altmann
Convergence of the Rothe Method Applied to Operator DAEs Arising in Elastodynamics. Comput. Methods Appl. Math. 17 (4) (2017)
Robert Altmann, Carsten Carstensen
-Nonconforming Finite Elements on Triangulations into Triangles and Quadrilaterals. SIAM J. Numer. Anal. 50 (2) (2012)