Numerical results for an unconditionally stable space-time finite element method for the wave equation. - Richard Löscher; Olaf Steinbach; Marco Zank (CoRR, 2021)

On torque computation in electric machine simulation by harmonic mortar methods. - Herbert Egger; Mané Harutynunyan; Richard Löscher; Melina Merkel; Sebastian Schöps (CoRR, 2021)

Robust Iterative Solvers for Algebraic Systems Arising from Elliptic Optimal Control Problems. - Ulrich Langer; Richard Löscher; Olaf Steinbach; Huidong Yang (LSSC, 2023)

Adaptive least-squares space-time finite element methods. - Christian Köthe; Richard Löscher; Olaf Steinbach (CoRR, 2023)

On the exponential stability of uniformly damped wave equations. - Herbert Egger; Stefan Kurz; Richard Löscher (CoRR, 2023)

Parallel iterative solvers for discretized reduced optimality systems. - Ulrich Langer; Richard Löscher; Olaf Steinbach; Huidong Yang (CoRR, 2023)

Stable least-squares space-time boundary element methods for the wave equation. - Daniel Hoonhout; Richard Löscher; Olaf Steinbach; Carolina Urzúa-Torres (CoRR, 2023)

Robust Finite Element Discretization and Solvers for Distributed Elliptic Optimal Control Problems. - Ulrich Langer; Richard Löscher; Olaf Steinbach; Huidong Yang (Comput. Methods Appl. Math., 2023)

An adaptive finite element method for distributed elliptic optimal control problems with variable energy regularization. - Ulrich Langer; Richard Löscher; Olaf Steinbach; Huidong Yang (Comput. Math. Appl., 2024)

On a modified Hilbert transformation, the discrete inf-sup condition, and error estimates. - Richard Löscher; Olaf Steinbach; Marco Zank (Comput. Math. Appl., 2024)

Efficient Solution of State-Constrained Distributed Parabolic Optimal Control Problems. - Richard Löscher; Michael Reichelt; Olaf Steinbach (CoRR, 2024)

Space-Time Finite Element Methods for Distributed Optimal Control of the Wave Equation. - Richard Löscher; Olaf Steinbach (SIAM J. Numer. Anal., 2024)

Mass-lumping discretization and solvers for distributed elliptic optimal control problems. - Ulrich Langer; Richard Löscher; Olaf Steinbach; Huidong Yang (Numer. Linear Algebra Appl., 2024)

Regularization and finite element error estimates for elliptic distributed optimal control problems with energy regularization and state or control constraints. - Peter Gangl; Richard Löscher; Olaf Steinbach (Comput. Math. Appl., 2025)

Robust finite element solvers for distributed hyperbolic optimal control problems. - Ulrich Langer; Richard Löscher; Olaf Steinbach; Huidong Yang (Comput. Math. Appl., 2025)

State-based nested iteration solution of optimal control problems with PDE constraints. - Ulrich Langer; Richard Löscher; Olaf Steinbach; Huidong Yang (CoRR, 2025)

State-based approach to the numerical solution of Dirichlet boundary optimal control problems for the Laplace equation. - Ulrich Langer; Richard Löscher; Olaf Steinbach; Huidong Yang (CoRR, 2025)

Optimal complexity solution of space-time finite element systems for state-based parabolic distributed optimal control problems. - Richard Löscher; Michael Reichelt; Olaf Steinbach (J. Complex., 2026)