3 papers
nucl-th2025
Greedy Emulators for Nuclear Two-Body Scattering
J. M. Maldonado, C. Drischler, R. J. Furnstahl +1
Applications of reduced basis method emulators are increasing in low-energy nuclear physics because they enable fast and accurate sampling of high-fidelity calculations, enabling r…
math.NA2024
Interpolatory -optimality Conditions for Structured Linear Time-invariant Systems
Petar MlinariÄ, Peter Benner, Serkan Gugercin
Interpolatory necessary optimality conditions for -optimal reduced-order modeling of unstructured linear time-invariant (LTI) systems are well-known. Based on previo…
math.NA2024
IRKA is a Riemannian Gradient Descent Method
Petar MlinariÄ, Christopher A. Beattie, Zlatko DrmaÄ +1
The iterative rational Krylov algorithm (IRKA) is a commonly used fixed-point iteration developed to minimize the model order reduction error. In this work, IRKA is…