TU Berlin

Numerische MathematikBenjamin Unger - Research

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Research Interests

  • Differential-algebraic equations (DAEs)
  • Delay Differential-algebraic equations (DDAEs)
  • Model Order Reduction (MOR)
  • parametric Model Order Reduction (pMOR)
  • port-Hamiltonian systems


I am a research member of CRC 910, Control of self-organizing nonlinear systems: Theoretical methods and concepts of applications. Together with Volker Mehrmann I investigate the analysis and computation of stability exponents for delay differential-algebraic equations (project A2).

Project related publications

  1. V. Mehrmann, B. Unger.
    Index preserving polynomial representation of nonlinear differential-algebraic systems
    Preprint series of the Institute of Mathematics, Technische Universität Berlin, Preprint 2-2015.
  2. P. Schulze, B. Unger
    Data-driven interpolation of dynamical systems with delay.
    Systems Control Lett., Vol. 97, 2016, pp. 125–131.
  3. P. Schulze, B. Unger, C. Beattie, S. Gugercin
    Data-driven Structured Realization
    Linear Algebra Appl., Vol. 537, 2018, pp. 250 - 286.


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