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Cyclic Homology in Non-Commutative Geometry

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Cyclic homology was introduced in the early eighties independently by Connes and Tsygan. They came from different directions. Conn... Weiterlesen
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Beschreibung

Cyclic homology was introduced in the early eighties independently by Connes and Tsygan. They came from different directions. Connes wanted to associate homological invariants to K-homology classes and to describe the index pair ing with K-theory in that way, while Tsygan was motivated by algebraic K-theory and Lie algebra cohomology. At the same time Karoubi had done work on characteristic classes that led him to study related structures, without however arriving at cyclic homology properly speaking. Many of the principal properties of cyclic homology were already developed in the fundamental article of Connes and in the long paper by Feigin-Tsygan. In the sequel, cyclic homology was recognized quickly by many specialists as a new intriguing structure in homological algebra, with unusual features. In a first phase it was tried to treat this structure as well as possible within the traditional framework of homological algebra. The cyclic homology groups were computed in many examples and new important properties such as prod uct structures, excision for H-unital ideals, or connections with cyclic objects and simplicial topology, were established. An excellent account of the state of the theory after that phase is given in the book of Loday.

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Inhalt
Cyclic Theory, Bivariant K-Theory and the Bivariant Chern-Connes Character.- Cyclic Homology.- Noncommutative Geometry, the Transverse Signature Operator, and Hopf Algebras [after A. Connes and H. Moscovici].

Produktinformationen

Titel: Cyclic Homology in Non-Commutative Geometry
Autor:
EAN: 9783540404699
ISBN: 3540404694
Format: Fester Einband
Herausgeber: Springer Berlin Heidelberg
Anzahl Seiten: 156
Gewicht: 407g
Größe: H241mm x B160mm x T13mm
Jahr: 2003
Auflage: 2004

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