Essential Spectra of Composition Operators on the Space of Bounded Analytic Functions

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Atıf İçin Kopyala

GÜL U.

TURKISH JOURNAL OF MATHEMATICS, cilt.32, sa.4, ss.475-480, 2008 (SCI İndekslerine Giren Dergi)

• Cilt numarası: 32 Konu: 4
• Basım Tarihi: 2008
• Dergi Adı: TURKISH JOURNAL OF MATHEMATICS
• Sayfa Sayıları: ss.475-480

Özet

In this small note we characterize the essential spectra of a class of composition operators on H-infinity(H) of the upper half-plane H and on H-infinity(D) of the unit disc D. These composition operators are induced by perturbations of translations.