Completely Bounded Maps And Operator Algebras
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| Author | : Vern Paulsen |
| Publisher | : Cambridge University Press |
| Total Pages | : 316 |
| Release | : 2002 |
| Genre | : Mathematics |
| ISBN | : 9780521816694 |
In this book, first published in 2003, the reader is provided with a tour of the principal results and ideas in the theories of completely positive maps, completely bounded maps, dilation theory, operator spaces and operator algebras, together with some of their main applications. The author assumes only that the reader has a basic background in functional analysis, and the presentation is self-contained and paced appropriately for graduate students new to the subject. Experts will also want this book for their library since the author illustrates the power of methods he has developed with new and simpler proofs of some of the major results in the area, many of which have not appeared earlier in the literature. An indispensable introduction to the theory of operator spaces for all who want to know more.
| Author | : Erling Størmer |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 135 |
| Release | : 2012-12-13 |
| Genre | : Mathematics |
| ISBN | : 3642343694 |
This volume, setting out the theory of positive maps as it stands today, reflects the rapid growth in this area of mathematics since it was recognized in the 1990s that these applications of C*-algebras are crucial to the study of entanglement in quantum theory. The author, a leading authority on the subject, sets out numerous results previously unpublished in book form. In addition to outlining the properties and structures of positive linear maps of operator algebras into the bounded operators on a Hilbert space, he guides readers through proofs of the Stinespring theorem and its applications to inequalities for positive maps. The text examines the maps’ positivity properties, as well as their associated linear functionals together with their density operators. It features special sections on extremal positive maps and Choi matrices. In sum, this is a vital publication that covers a full spectrum of matters relating to positive linear maps, of which a large proportion is relevant and applicable to today’s quantum information theory. The latter sections of the book present the material in finite dimensions, while the text as a whole appeals to a wider and more general readership by keeping the mathematics as elementary as possible throughout.
| Author | : Gilles Pisier |
| Publisher | : Springer |
| Total Pages | : 210 |
| Release | : 2004-10-12 |
| Genre | : Mathematics |
| ISBN | : 3540445633 |
These notes revolve around three similarity problems, appearing in three different contexts, but all dealing with the space B(H) of all bounded operators on a complex Hilbert space H. The first one deals with group representations, the second one with C* -algebras and the third one with the disc algebra. We describe them in detail in the introduction which follows. This volume is devoted to the background necessary to understand these three problems, to the solutions that are known in some special cases and to numerous related concepts, results, counterexamples or extensions which their investigation has generated. While the three problems seem different, it is possible to place them in a common framework using the key concept of "complete boundedness", which we present in detail. Using this notion, the three problems can all be formulated as asking whether "boundedness" implies "complete boundedness" for linear maps satisfying certain additional algebraic identities.
| Author | : Vern I. Paulsen |
| Publisher | : |
| Total Pages | : 214 |
| Release | : 1986 |
| Genre | : Analytic functions |
| ISBN | : |
| Author | : Gilles Pisier |
| Publisher | : Cambridge University Press |
| Total Pages | : 492 |
| Release | : 2003-08-25 |
| Genre | : Mathematics |
| ISBN | : 9780521811651 |
An introduction to the theory of operator spaces, emphasising applications to C*-algebras.
| Author | : Israel Gohberg |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 402 |
| Release | : 1978 |
| Genre | : Mathematics |
| ISBN | : 9780821886502 |
| Author | : Nathanial Patrick Brown |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 530 |
| Release | : 2008 |
| Genre | : Mathematics |
| ISBN | : 0821843818 |
$\textrm{C}*$-approximation theory has provided the foundation for many of the most important conceptual breakthroughs and applications of operator algebras. This book systematically studies (most of) the numerous types of approximation properties that have been important in recent years: nuclearity, exactness, quasidiagonality, local reflexivity, and others. Moreover, it contains user-friendly proofs, insofar as that is possible, of many fundamental results that were previously quite hard to extract from the literature. Indeed, perhaps the most important novelty of the first ten chapters is an earnest attempt to explain some fundamental, but difficult and technical, results as painlessly as possible. The latter half of the book presents related topics and applications--written with researchers and advanced, well-trained students in mind. The authors have tried to meet the needs both of students wishing to learn the basics of an important area of research as well as researchers who desire a fairly comprehensive reference for the theory and applications of $\textrm{C}*$-approximation theory.
| Author | : Gert Kjaergård Pedersen |
| Publisher | : |
| Total Pages | : 448 |
| Release | : 1979 |
| Genre | : Mathematics |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 264 |
| Release | : 1982 |
| Genre | : Securities |
| ISBN | : |
| Author | : Elias G. Katsoulis |
| Publisher | : American Mathematical Soc. |
| Total Pages | : 100 |
| Release | : 2019-04-10 |
| Genre | : Mathematics |
| ISBN | : 1470435454 |
The authors study crossed products of arbitrary operator algebras by locally compact groups of completely isometric automorphisms. They develop an abstract theory that allows for generalizations of many of the fundamental results from the selfadjoint theory to our context. They complement their generic results with the detailed study of many important special cases. In particular they study crossed products of tensor algebras, triangular AF algebras and various associated C -algebras. They make contributions to the study of C -envelopes, semisimplicity, the semi-Dirichlet property, Takai duality and the Hao-Ng isomorphism problem. They also answer questions from the pertinent literature.
