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*-algebras of unbounded operators affiliated with a von Neumann algebra

โœ Scribed by M. A. Muratov; V. I. Chilin


Publisher
Springer US
Year
2007
Tongue
English
Weight
169 KB
Volume
140
Category
Article
ISSN
1573-8795

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Von Neumann Algebra Invariants of Dirac
โœ Varghese Mathai ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 407 KB

In this paper we define and study certain von Neumann algebra invariants associated to the Dirac operator acting on L 2 spinors on the universal covering space of a compact, Riemannian spin manifold. We first study a Novikov Shubin type invariant, which is a conformal invariant but which is not inde