Commun. Korean Math. Soc. 2014; 29(2): 257-262
Printed April 1, 2014
https://doi.org/10.4134/CKMS.2014.29.2.257
Copyright © The Korean Mathematical Society.
An Hyun Kim
Changwon National University
In this note we consider ``generalized Riesz points" for compact and quasinilpotent perturbations of Toeplitz operators acting on the Hardy space of the unit circle.
Keywords: generalized Riesz points, Toeplitz operators, perturbations, Weyl's theorem, Browder's theorem
MSC numbers: Primary 47A10, 47A55, 47B35
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