Discontinuity of the Lempert function of the spectral ball
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🧮 math.CV
math.OC
keywords
balldiscontinuitylempertspectralargumentscontinuitycriteriacyclicity
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We give some further criteria for continuity or discontinuity of the Lempert funtion of the spectral ball $\Omega_n$, with respect to one or both of its arguments, in terms of cyclicity the matrices involved.
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