Numerical ranges of normal weighted composition operators on $\ell ^2(\mathbb N)$

Mitu Gupta; B.S. Komal

doi:10.1216/RMJ-2018-48-4-1159

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Home > Journals > Rocky Mountain J. Math. > Volume 48 > Issue 4 > Article

2018 Numerical ranges of normal weighted composition operators on $\ell ^2(\mathbb N)$

Mitu Gupta, B.S. Komal

Rocky Mountain J. Math. 48(4): 1159-1169 (2018). DOI: 10.1216/RMJ-2018-48-4-1159

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Abstract

In this paper, we obtain numerical ranges of normal weighted composition operators on $\ell ^{2}(\mathbb {N})$.

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Mitu Gupta. B.S. Komal. "Numerical ranges of normal weighted composition operators on $\ell ^2(\mathbb N)$." Rocky Mountain J. Math. 48 (4) 1159 - 1169, 2018. https://doi.org/10.1216/RMJ-2018-48-4-1159

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Published: 2018

First available in Project Euclid: 30 September 2018

zbMATH: 06958773

MathSciNet: MR3859752

Digital Object Identifier: 10.1216/RMJ-2018-48-4-1159

Subjects:

Primary: 47B37

Secondary: 47A12

Keywords: multiplication operator , normal operator , numerical range , Orbit , spectrum , Weighted composition operator

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Mitu Gupta, B.S. Komal "Numerical ranges of normal weighted composition operators on $\ell ^2(\mathbb N)$," Rocky Mountain Journal of Mathematics, Rocky Mountain J. Math. 48(4), 1159-1169, (2018)

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