Abstract
In order that a set , be the unitary point spectrum of some almost unitary operator (i.e., of an operator of the form U +K, where U is a unitary operator and Keγ1) it is necessary and sufficient that E be a countable union of Carleson sets.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
