Stability of (A,B)-invariant subspaces

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Title:	Stability of (A,B)-invariant subspaces
Author:	Peña Carrera, Marta; Puerta Coll, Xavier; Puerta Sales, Ferran
Other authors:	Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada I
Abstract:	Given a pair of matrices (A;B) we study the stability of their invariant subspaces from the geometry of the manifold of quadruples (A;B; S; F) where S is an (A;B)-invariant subspace and F is such that (A + BF)S ½ S. In particular, we derive a su±cient computable condition of stability.
Subject(s):	-Àlgebra lineal i multilineal -Matrius (Matemàtica) -Invariants
Rights:	Attribution-NonCommercial-NoDerivs 2.5 Spain http://creativecommons.org/licenses/by-nc-nd/2.5/es/
Document type:	Article
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