K-Theory for Operator Algebras (Mathematical Sciences Research Institute Publications) by Bruce Blackadar (PDF)

Description

K -Theory has revolutionized the study of operator algebras in the last few years. As the primary component of the subject of “noncommutative topol­ ogy,” K -theory has opened vast new vistas within the structure theory of C*­ algebras, as well as leading to profound and unexpected applications of opera­ tor algebras to problems in geometry and topology. As a result, many topolo­ gists and operator algebraists have feverishly begun trying to learn each others’ subjects, and it appears certain that these two branches of mathematics have become deeply and permanently intertwined. Despite the fact that the whole subject is only about a decade old, operator K -theory has now reached a state of relative stability. While there will undoubtedly be many more revolutionary developments and applications in the future, it appears the basic theory has more or less reached a “final form.” But because of the newness of the theory, there has so far been no comprehensive treatment of the subject. It is the ambitious goal of these notes to fill this gap. We will develop the K -theory of Banach algebras, the theory of extensions of C*-algebras, and the operator K -theory of Kasparov from scratch to its most advanced aspects. We will not treat applications in detail; however, we will outline the most striking of the applications to date in a section at the end, as well as mentioning others at suitable points in the text.

User’s Reviews

Reviews from Amazon users which were colected at the time this book was published on the website:

⭐K-theory is a challenging subject; Kasparov’s KK-theory even more so. But Bruce Blackadar’s textbook manages to present both of these in a clear and coherent fashion, readable both by mathematicians and physicists. The ideal reader of this book will already be familiar with the basics of operator algebras and will have had some exposure to K-theory (perhaps through Wegge-Olsen’s remarkable book) and noncommutative geometry; but an extensive background is not needed.One especially good feature of this book is the wealth of examples it contains, especially those examples of most relevance to string theory. (Where K-theory is finding some of its most interesting applications today) A wide range of subjects such as “topological” K-theory (the K-theory of gauge fields) and supersymmetry (referred to as “grading,” following mathematicians’ notation) round out this presentation of one of the most exciting subjects on the border of mathematics and physics.

⭐The books covers not only K-theory but also KK-theory that was introduced by G. G. Kasparov. The original article by Kasparov are very hard to read because of the generality of his approach. Furthermore the theory was much simplified by Skandalis et al. The second part of the book offers a very readable introduction to KK-theory. Now the new edition even contains a short exposition of E-theory.”Elements of KK-theory” by K. K. Jensen and K. Thomsen is good introduction too.

⭐Well, it’s not a review of the book itself. Anything from the author is recommended! But I received a fake copy from the seller Fast media 2. I am writing this review today, after such a long time because I bought two books from them recently and it so happened that I had my friend beside me who had the originals. I could spot the differences. I paid 3500 for hardly 1000. Please be aware.

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