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math.OA2011★ 2 cited
Index Theory for Real Factors
S. Albeverio, Sh. A. Ayupov, A. A. Rakhimov +1
The notion of index for arbitrary real factors is introduced and investigated. The main tool in our approach is the reduction of real factors to involutive *-anti-automorphisms of…
math.OA2011
Automorphisms of central extensions of type I von Neumann algebras
S. Albeverio, Sh. A. Ayupov, K. K. Kudaybergenov +1
Given a von Neumann algebra we consider the central extension of For type I von Neumann algebras coincides with the algebra of all locally measurable…