| ON CONDITIONAL EXPECTATION OPERATORS ON L(μ,X)(1≤p≤+∞,p≠2) |
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| 引用本文： | 那啟元.ON CONDITIONAL EXPECTATION OPERATORS ON L(μ,X)(1≤p≤+∞,p≠2)[J].数学年刊B辑(英文版),1990(4). |
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| 作者姓名： | 那啟元 |
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| 作者单位： | Department of |
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| 摘 要： | Some characterizations of the conditional expectation operators on Lebesgue-Bochnerspaces L_p(μ,X)are given,where 1≤p<∞,p≠2.Also an example is given to show thatthe characterizations of the conditional expectation operators on L_p(μ,X)are differentfrom that on L_p(μ)_z Finally,a representation of the constant-preserving contractiveprojection on spaces L_p(μ,X)is got when 0
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