A direct constructive proof is given for Pokrzywa's theorem on the closure of orbits of Kronecker canonical pencils under perturbation.
Rodman, Remarks on Lipschitz properties of matrix gr oups actions, Linear Algebra Appl
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A constructive proof of Pokrzywa's theorem about perturbations of matrix pencils
A direct constructive proof is given for Pokrzywa's theorem on the closure of orbits of Kronecker canonical pencils under perturbation.