Operator Approximant Problems Arising from Quantum Theory

Philip J. Maher (Autor)

Buch | Softcover

X, 106 Seiten

2018 | Softcover reprint of the original 1st ed. 2017
Springer International Publishing (Verlag)
9783319870199 (ISBN)

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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.

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

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.

Erscheint lt. Verlag	7.8.2018
Zusatzinfo	X, 106 p. 6 illus.
Verlagsort	Cham
Sprache	englisch
Maße	155 x 235 mm
Gewicht	192 g
Themenwelt	Mathematik / Informatik ► Mathematik ► Analysis
Themenwelt	Naturwissenschaften ► Physik / Astronomie ► Quantenphysik
Schlagworte	Approximation Theory • Halmos' terminology • Hilbert spaces • non-commutative operators • Quantum Theory
ISBN-13	9783319870199 / 9783319870199
Zustand	Neuware