On algebraic and linear algebraic aspects of co-order three H2-model order reduction

On a Finiteness Result for the Number of Critical Points of the H2 Approximation Criterion

“…This implies that standard constructive algebra methods can be used in principle to solve the equations and hence the model reduction problem (compare e.g, Hanzon and Maciejowski [1996]). Thirdly the result is used to simplify the generalized eigenvalue method for co-order three H 2 model order reduction as described in Peeters, Bleylevens and Hanzon [2012].…”