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OverviewThis book offers an account of a number of aspects of operator theory, mainly developed since the 1980s, whose problems have their roots in quantum theory. The research presented is in non-commutative operator approximation theory or, to use Halmos' terminology, in operator approximants. Focusing on the concept of approximants, this self-contained book is suitable for graduate courses. Full Product DetailsAuthor: Philip MaherPublisher: Birkhauser Verlag AG Imprint: Birkhauser Verlag AG Edition: 1st ed. 2017 Weight: 0.454kg ISBN: 9783319611693ISBN 10: 3319611690 Pages: 106 Publication Date: 09 August 2017 Audience: Professional and scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: In Print ![]() This item will be ordered in for you from one of our suppliers. Upon receipt, we will promptly dispatch it out to you. For in store availability, please contact us. Table of ContentsWhat this book is about: approximants.- Preliminaries.- Self-adjoint and positive approximants.- Commutator approximants.- Spectral, and numerical range, approximants.- Unitary, isometric and partially isometric approximation of positive operators.ReviewsAuthor InformationPhilip J. Maher is a former Senior lecturer in mathematics at Middlesex University. Tab Content 6Author Website:Countries AvailableAll regions |