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math.FA2016★ 1 cited
The invertibility of 2X2 operator matrices
Junjie Huang, Junfeng Sun, Alatancang Chen +1
In this paper the properties of right invertible row operators, i.e., of 1X2 surjective operator matrices are studied. This investigation is based on a specific space decomposition…
math.RA2016
Eigenvalue placement for regular matrix pencils with rank one perturbations
Hannes Gernandt, Carsten Trunk
A regular matrix pencil sE-A and its rank one perturbations are considered. We determine the sets in the extended complex plane which are the eigenvalues of the perturbed pencil. W…