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A Note on the Perturbation Bound of <Emphasis Type="Italic">Q</Emphasis>-factors |
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| Authors: | |
| Institution: | (1) Department of Mathematics, South China Normal University, Guangzhou, 510631, China |
| Abstract: | In this note we present a perturbation bound of unitary polar factors.We add the orthogonalprojectors into the bound;as a result,a uniform perturbation bound of Q-factors is obtained,and the previousbounds are improved. |
| Keywords: | Polar decomposition perturbation norm |
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