Some New Perturbation Bounds for the Generalized Polar Decomposition |
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| Authors: | Xiao-shan Chen Wen Li Weiwei Sun |
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| Affiliation: | (1) Department of Mathematics, South China Normal University, Guangzhou, 510631, P.R, China |
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| Abstract: | The changes in the unitary polar factor under both multiplicative and additive perturbation are studied. A multiplicative perturbation bound and a new additive perturbation bound, in which a different measure of perturbation is introduced, are presented. |
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| Keywords: | generalized polar decomposition perturbation bound subunitary polar factor |
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