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M. Carlsson
On subnormal operators whose spectrum are multiply connected domains view print
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| Published: |
January 30, 2011
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| Keywords: |
Subnormal operators, index, bundle shifts |
| Subject: |
Primary 47B20, Secondary 46E40 |
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Abstract
Let Ω be a connected bounded domain
with a finite amount of "holes" and "nice boundary". We study
subnormal operators with spectrum equal to \overline{Ω},
while the spectrum of their normal extensions are supported on the
boundary, \partialΩ.
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| Acknowledgements
This research was supported by the Swedish research council (2008-23883-61232-34) and the Swedish Foundation for International Cooperation in Research and Higher Education (YR2010-7033).
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| Author information
Departamento de Matemática y Ciencia de la Computación, Universidad de Santiago de Chile, Casilla 307, Correo-2, Santiago, Chile
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