2 papers
math.NA2025
Computing the nearest -admissible descriptor dissipative Hamiltonian system
Vaishali Aggarwal, Nicolas Gillis, Punit Sharma
For a given set , a matrix pair is called -admissible if it is regular, impulse-free and its eigenvalues lie inside the region . In this paper,…
math.OC2025
Computing the nearest scattering passive system
Karim Cherifi, Nicolas Gillis, Punit Sharma
In this paper, we consider linear time-invariant control systems which are bounded real, also known as scattering passive. Our main theoretical contribution is to show the equivale…