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Orthogonality preserving pairs of operators on Hilbert C0(Z)-modules
Linear and Multilinear Algebra ( IF 1.1 ) Pub Date : 2020-09-24 , DOI: 10.1080/03081087.2020.1825610
Mohammad B. Asadi 1, 2 , Fatemeh Olyaninezhad 3
Affiliation  

Suppose that Z is a locally compact Hausdorff space and Ψ,Φ:EF are C0(Z)-module maps between Hilbert C0(Z)-modules such that for every x,yE, xy implies Ψ(x)Φ(y). Then there exists a bounded complex-valued function φ on Z that is continuous on ZE={zZ:x,x(z)0 forsome xE} and satisfies Ψ(x),Φ(y)=φx,yonZ, forall x,yE.



中文翻译:

Hilbert C0(Z)-modules 上的正交保持算子对

假设Z是一个局部紧 Hausdorff 空间,并且Ψ,ΦFC0(Z)-希尔伯特之间的模块映射C0(Z)-modules 这样对于每个X,是的,X是的暗示Ψ(X)Φ(是的). 那么在Z上存在一个连续的有界复值函数φZ={zZX,X(z)0 Frse X}并满足Ψ(X),Φ(是的)=φX,是的nZ, Fr一个ll X,是的.

更新日期:2020-09-24
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