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Preliminaries
Author :
Dr Pintu Bhunia
Year :
2022
Publisher :
Springer Science and Business Media Deutschland GmbH
Source Title :
Infosys Science Foundation Series in Mathematical Sciences
Document Type :
Book chapter
Link
DOI
https://doi.org/10.1007/978-3-031-13670-2_1
Web
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85144577647&origin=inward
Abstract
In this chapter, we collect some basic facts needed to study the numerical range and numerical radius of a bounded linear operator defined on a Hilbert space and fix our notation.
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