Vol. 137, No. 1, 1989

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Some affine geometric aspects of operator algebras

Yaakov Friedman and Bernard Russo

Vol. 137 (1989), No. 1, 123–144
Abstract

The predual of a von Neumann algebra is shown to be a neutral strongly facially symmetric space, thereby suggesting an affine geometric approach to operator algebras and their non-associative analogues. Geometric proofs are obtained for the polar decompositions of normal functionals in ordered and non-ordered settings.

Mathematical Subject Classification 2000
Primary: 46L10
Secondary: 17C65, 46L70
Milestones
Received: 10 March 1988
Published: 1 March 1989
Authors
Yaakov Friedman
Bernard Russo