Name: similarity problems and completely bounded maps
SKU: 3484634
Price: 57.74 EUR
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Author: pisier
ISBN: 9783540415244

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portada similarity problems and completely bounded maps

similarity problems and completely bounded maps

Type

Physical Book

Publisher

Springer

Author

pisier

Language

English

Pages

198

ISBN

3540415246

ISBN13

9783540415244

Synopsis "similarity problems and completely bounded maps"

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.