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Documents  Tretter, Christiane | enregistrements trouvés : 1

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Research talks;Analysis and its Applications;Dynamical Systems and Ordinary Differential Equations;Mathematical Physics

In this talk new enclosures for the spectra of operators associated with second order Cauchy problems are presented for non-selfadjoint damping. Our new results yield much better bounds than the numerical range of these non-selfadjoint operators for both uniformly accretive and sectorial damping.
(joint work with B. Jacob, Carsten Trunk and H. Vogt)

47A10 ; 47A12 ; 34G10 ; 47D06 ; 76Bxx

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