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math.SP2019
Low rank perturbation of regular matrix pencils with symmetry structures
Fernando De Terán, Christian Mehl, Volker Mehrmann
The generic change of the Weierstrass Canonical Form of regular complex structured matrix pencils under generic structure-preserving additive low-rank perturbations is studied. Sev…
math.SP2018
Generic symmetric matrix pencils with bounded rank
Fernando De Terán, Andrii Dmytryshyn, Froilán M. Dopico
We show that the set of complex symmetric matrix pencils of rank at most is the union of the closures of sets of matrix pencils with some,…