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Browsing by Subject "pseudospectrum"

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    Item type:Article, Access status: Open Access ,
    A note on Hausdorff convergence of pseudospectra
    (Wydawnictwa AGH, 2023) Lindner, Marko; Schmeckpeper, Dennis
    For a bounded linear operator on a Banach space, we study approximation of the spectrum and pseudospectra in the Hausdorff distance. We give sufficient and necessary conditions in terms of pointwise convergence of appropriate spectral quantities.