Geodesic
Essential norm of composition operators on harmonic Bloch spaces
Filomat, Tome 36 (2022) no. 9, p. 3105

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DOI

In this paper we characterize essential norm of composition operators on the spaces of Harmonic Bloch functions. We obtain some upper and lower bounds for the essential norm of composition operators between Harmonic Bloch function spaces. In some cases we find exact value of the essential norm such as in Theorems 2.7 and 2.11. These results extends the similar results that were proven for composition operators on Bloch spaces.
DOI : 10.2298/FIL2209105E
Classification : 47B33
Keywords: Composition operator, Harmonic Bloch spaces, Harmonic function, essential norm 
Y Estaremi; A Ebadian; S Esmaeili. Essential norm of composition operators on harmonic Bloch spaces. Filomat, Tome 36 (2022) no. 9, p. 3105 . doi: 10.2298/FIL2209105E
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     title = {Essential norm of composition operators on harmonic {Bloch} spaces},
     journal = {Filomat},
     pages = {3105 },
     year = {2022},
     volume = {36},
     number = {9},
     doi = {10.2298/FIL2209105E},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2209105E/}
}
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