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Kac Algebras and Duality of Locally Compact Groups - Michel Enock

Kac Algebras and Duality of Locally Compact Groups

By: Michel Enock, Jean-Marie Schwartz, A. Connes (Preface by), A. Ocneanu (Epilogue by)

Hardcover Published: 14th December 1992
ISBN: 9783540547457
Number Of Pages: 257

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The theory of Kac lagebras and their duality, elaboratedindependently in the seventies by Kac and Vainermann and bythe authors of this book, has nowreached a state ofmaturity which justifies the publication of a comprehensiveand authoritative account in bookform. Further, the topic of"quantum groups" has recently become very fashionable andattracted the attention of more and more mathematicians andtheoretical physicists. However a good characterization ofquantum groups among Hopf algebras in analogy to thecharacterization of Lie groups among locally compact groupsis still missing. It is thus very valuable to develop thegeneraltheory as does this book, with emphasis on theanalytical aspects of the subject instead of the purelyalgebraic ones.While in the Pontrjagin duality theory of locally compactabelian groups a perfect symmetry exists between a group andits dual, this is no longer true in the various dualitytheorems of Tannaka, Krein, Stinespring and others dealingwith non-abelian locally compact groups. Kac (1961) andTakesaki (1972) formulated the objective of finding a goodcategory of Hopf algebras, containing the category oflocally compact groups and fulfilling a perfect duality.The category of Kac algebras developed in this book fullyanswers the original duality problem, while not yetsufficiently non-unimodular to include quantum groups.This self-contained account of thetheory will be ofinterest to all researchers working in quantum groups,particularly those interested in the approach by Lie groupsand Lie algebras or by non-commutative geometry, and moregenerally also to those working in C* algebras ortheoretical physics.

1. Co-Involutive Hopf-Von Neumann Algebras.- 2. Kac Algebras.- 3. Representations of a Kac Algebra; Dual Kac Algebra.- 4. Duality Theorems for Kac Algebras and Locally Compact Groups.- 5. The Category of Kac Algebras.- 6. Special Cases: Unimodular, Compact, Discrete and Finite-Dimensional Kac Algebras.- Postface.

ISBN: 9783540547457
ISBN-10: 3540547452
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 257
Published: 14th December 1992
Publisher: Springer-Verlag Berlin and Heidelberg Gmbh & Co. Kg
Country of Publication: DE
Dimensions (cm): 23.4 x 15.6  x 1.7
Weight (kg): 1.25