Overview

​This book is devoted to the study of Tomita's observable algebras, their structure and applications. It begins by building the foundations of the theory of T*-algebras and CT*-algebras, presenting the major results and investigating the relationship between the operator and vector representations of a CT*-algebra. It is then shown via the representation theory of locally convex*-algebras that this theory includes Tomita–Takesaki theory as a special case; every observable algebra can be regarded as an operator algebra on a Pontryagin space with codimension 1.  All of the results are proved in detail and the basic theory of operator algebras on Hilbert space is summarized in an appendix. The theory of CT*-algebras has connections with many other branches of functional analysis and with quantum mechanics. The aim of this book is to make Tomita’s theory available to a wider audience, with the hope that it will be used by operatoralgebraists and researchers in these related fields. 

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9783030688929

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Reviews

The text is clearly written and complete proofs of the results are given. (Mixalis Anoussis, zbMATH 1480.46001, 2022)

Author Information

Atsushi Inoue is a professor emeritus of Fukuoka University. He has researched unbounded operator algebras and unbounded *-representations of (locally convex) *-algebras (bibliography: A. Inoue, Tomita-Takesaki Theory in Algebras of Unbounded Operators, Springer-Verlag, Berlin, 1998; J-P. Antoine, A. Inoue and C. Trapani, Partial *-Algebras and Their Operator Realizations, Math. Appl. 553, Kluwer Academic, Dordrecht, 2002 and about 100 papers)

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