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套子代数上的零点可导映射

Keywords: 零点可导,vonNeumann代数,套子代数

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Abstract:

设β是因子vonNeumann代数M中的任意一个套,algMβ是相应的套子代数,φalgMβ→M是一个线性映射.主要证明了如果φ在零点可导,那么存在导子δalgMβ→M和λ∈C,使得对任意的A∈algMβ有φ(A)=δ(A)+λA.

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