Generalized Lyapunov Equations for Descriptor Systems: Stability and Inertia Theorems.

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Author(s) : Tatjana Stykel

Preprint series : Preprint SFB393/ 00-38, Fakultät für Mathematik, TU Chemnitz, D-09107 Chemnitz, Germany, October, 2000.

MSC 2000

15A24 Matrix equations and identities
15A22 Matrix pencils

Abstract :
We study generalized Lyapunov equations and present generalizations of Lyapunov stability theorems and some matrix inertia theorems for matrix pencils. We discuss applications of generalized Lyapunov equations with special right-hand sides in stability theory and control problems for descriptor systems.

Keywords : generalized Lyapunov equations, inertia, descriptor systems, stability, controllability and observability Gramians