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11/12/2022
Linear port-Hamiltonian DAE systems revisited
Port-Hamiltonian systems theory provides a systematic methodology for th...
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06/08/2022
Structure-Preserving Model Order Reduction for Index Two Port-Hamiltonian Descriptor Systems
We present a new optimization-based structure-preserving model order red...
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05/17/2022
Discretization of inherent ODEs and the geometric integration of DAEs with symmetries
Discretization methods for differential-algebraic equations (DAEs) are c...
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01/17/2022
Control of port-Hamiltonian differential-algebraic systems and applications
The modeling framework of port-Hamiltonian descriptor systems and their ...
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01/14/2022
Port-Hamiltonian Realizations of Linear Time Invariant Systems
The question when a general linear time invariant control system is equi...
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01/05/2022
Local and global canonical forms for differential-algebraic equations with symmetries
Linear time-varying differential-algebraic equations with symmetries are...
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11/10/2021
On non-Hermitian positive (semi)definite linear algebraic systems arising from dissipative Hamiltonian DAEs
We discuss different cases of dissipative Hamiltonian differential-algeb...
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10/02/2021
Error Analysis of a Model Order Reduction Framework for Financial Risk Analysis
A parametric model order reduction (MOR) approach for simulating the hig...
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09/13/2021
Computation of the nearest structured matrix triplet with common null space
We study computational methods for computing the distance to singularity...
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08/12/2021
Matrix pencils with coefficients that have positive semidefinite Hermitian part
We analyze when an arbitrary matrix pencil is equivalent to a dissipativ...
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09/15/2020
A two-level iterative scheme for general sparse linear systems based on approximate skew-symmetrizers
We propose a two-level iterative scheme for solving general sparse linea...
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05/26/2020
Stability Assessment of Stochastic Differential-Algebraic Systems via Lyapunov Exponents with an Application to Power Systems
In this paper we discuss Stochastic Differential-Algebraic Equations (SD...
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05/10/2020
Structured backward errors for eigenvalues of linear port-Hamiltonian descriptor systems
When computing the eigenstructure of matrix pencils associated with the ...
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02/27/2020
Model order reduction for parametric high dimensional models in the analysis of financial risk
This paper presents a model order reduction (MOR) approach for high dime...
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01/24/2020
Distance problems for dissipative Hamiltonian systems and related matrix polynomials
We study the characterization of several distance problems for linear di...
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10/13/2019
Structure-preserving Interpolatory Model Reduction for Port-Hamiltonian Differential-Algebraic Systems
We examine interpolatory model reduction methods that are well-suited fo...
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09/15/2019
Optimal robustness of passive discrete time systems
We construct optimally robust realizations of a given rational transfer ...
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05/31/2018