Michael S. Ackermann

Ph.D candidate at Virginia Tech, Blacksburg, USA

Publications

Submitted Articles (0)

Journal Articles (5)

Proceedings (1)

Software (4)

Theses (1)

You can also find my publications on my Google Scholar and ORCID profiles. A detailed list of citable code packages accompaning my publications can be found at the end of my Software page.

Submitted Articles

Journal Articles

  1. M. S. Ackermann, L. Balicki, S. Gugercin, and S. W. R. Werner. The NLAAA algorithm for rational approximation – applications to model order reduction. Research in the Mathematical Sciences, 13(4):82, 2026. doi:10.1007/s40687-026-00668-1
    Open Access Published

  2. M. S. Ackermann, S. W. R. Werner, I. V. Gosea, and S. Gugercin. Second-order AAA algorithms for structured data-driven modeling. Advances in Computational Mathematics, 52(5):76, 2026 doi:10.1007/s10444-026-10347-y
    Open Access Published

  3. M. S. Ackermann, S. Reiter, and L. N. Trefethen. L2 and L∞ rational approximation on the unit disk. Research in the Mathematical Sciences, 13(3), 2026. doi:10.1007/s40687-026-00650-x

  4. M. S. Ackermann and S. Gugercin. Time-domain iterative rational Krylov method. SIAM Journal on Scientific Computing, 47(3):A1628–A1651, 2025. doi:10.1137/24M1678167

  5. M. S. Ackermann and S. Gugercin. Frequency-based reduced models from purely time-domain data via data informativity. SIAM Journal on Scientific Computing, 47(2):A1225–A1250, 2025. doi:10.1137/23M1624130

Proceedings

  1. M. S. Ackermann, P. Bochev, and D. Ridzal. Towards a reduced model for hyperbolic partial differential equations. Technical report SAND2025-14267O, The Computer Science Research Institute at Sandia National Laboratories, Albuquerque, New Mexico, pages 3–16, 2025.
    Open Access Published

Software

  1. M. S. Ackermann and S. W. R. Werner. Code, data and results for numerical experiments in “Second-order AAA algorithms for structured data-driven modeling” (version 1.1), May 2026. doi:10.5281/zenodo.19895043
    Open Source Software License: BSD 2-Clause

  2. S. Reiter, M. S. Ackermann and L. N. Trefethen. Code and Results for Numerical Experiments in “L2 and L∞ rational approximation on the unit disk” (version 1.0), February 2026. doi:10.5281/zenodo.18746402
    Open Source Software License: BSD 2-Clause

  3. M. S. Ackermann, S. W. R. Werner, and L. Balicki. Code, data and results for numerical experiments in “A refined nonlinear least-squares method for the rational approximation problem”, January 2026. doi:10.5281/zenodo.18317028
    Open Source Software License: BSD 2-Clause

  4. M. S. Ackermann. Code and Data for the Numerical Experiments in “Time-Domain Iterative Rational Krylov Method”, July 2024. doi:10.5281/zenodo.12751391
    Open Source Software License: BSD 2-Clause

  5. M. S. Ackermann. Code and Data for the numerical experiments in “Frequency-Based Reduced Models from Purely Time-Domain Data via Data Informativity” (version 1.0), November 2023. doi:10.5281/zenodo.10076325
    Open Source Software License: BSD 2-Clause

Theses

  1. M. S. Ackermann. Frequency-domain learning of dynamical systems from time-domain data. Thesis, Virginia Tech, 92 pages, June 2022.
    Open Access Published