Philip J. Maher

Operator Approximant Problems Arising from Quantum Theory (eBook, PDF)

• Format: PDF

Produktbeschreibung

This 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.

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Produktdetails

• Verlag: Springer Nature Switzerland
• Seitenzahl: 106
• Erscheinungstermin: 31. Juli 2017
• Englisch
• ISBN-13: 9783319611709
• Artikelnr.: 53064369

Autorenporträt

Philip J. Maher is a former Senior lecturer in mathematics at Middlesex University.

Inhaltsangabe

What 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.