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Conditional
expectation without order
Yaakov Friedman and Bernard Russo |
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Vol. 115 (1984), No. 2, 351–360
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Abstract |
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In this paper we show that an arbitrary contractive projection on a J∗-algebra has the properties of a conditional expectation (Theorem 1). This fact is then used to solve the bicontractive projective problem (Theorem 2). |
Mathematical Subject Classification 2000
Primary: 46L70
Secondary: 46L50
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Milestones
Received: 30 March 1983
Published: 1 December 1984
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Authors |
| Yaakov Friedman | |
| Bernard Russo | |
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