Non-commutative Arens algebras and their derivations |
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Authors: | S Albeverio ShA Ayupov KK Kudaybergenov |
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Institution: | a Institut für Angewandte Mathematik, Universität Bonn, Wegelerstr. 6, D-53115 Bonn, Germany b Institute of Mathematics, Uzbekistan Academy of Science, F. Hodjaev str. 29, 700143, Tashkent, Uzbekistan |
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Abstract: | Given a von Neumann algebra M with a faithful normal semi-finite trace τ, we consider the non-commutative Arens algebra Lω(M,τ)=?p?1Lp(M,τ) and the related algebras and which are proved to be complete metrizable locally convex *-algebras. The main purpose of the present paper is to prove that any derivation of the algebra is inner and all derivations of the algebras Lω(M,τ) and are spatial and implemented by elements of . In particular we obtain that if the trace τ is finite then any derivation on the non-commutative Arens algebra Lω(M,τ) is inner. |
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Keywords: | Von Neumann algebras Non-commutative integration Arens algebras Derivations Spatial derivations Inner derivations Operator algebras Quantum statistical mechanics |
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