engleski

Another characterization of orthogonality in Hilbert C*-modules

We discuss a certain relation related to the Roberts orthogonality in Hilbert C*-modules which turns out to be equivalent to the orthogonality with respect to the C*-valued inner product. We also describe Hilbert C*-modules in which the Birkhoff-James orthogonality coincides with the Roberts orthogonality.

Hilbert C*-module ; Roberts orthogonality ; Birkhoff-James orthogonality ; inner product orthogonality

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