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Displacement Structure of Core-EP Inverses

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In this paper,we study the displacement rank of the Core-EP inverse.Both Sylvester displacement and generalized displacement are discussed.We present upper bounds for the ranks of the displacements of the Core-EP inverse.Numerical experi ments are presented to demonstrate the effiiciency and accuracy.

core-EP inversdisplacement structureHermitian matrix

MENG Xianchun、WANG Hongxing、LIU Ailing

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School of Mathematics and Statistics,Hechi University,Yizhou 546300,Guangxi,China

School of Mathematics and Physics,Guangxi University for Nationalities,Nanning 530006,Guangxi,China

Supported by Guangxi Natural Science FoundationSupported by Guangxi Natural Science FoundationHigh Level Innovation Teams and Distinguished Scholars in Guangxi UniversitiesGraduate Research Innovation Project of Guangxi University for NationalitiesGraduate Research Innovation Project of Guangxi University for NationalitiesSpecial Fund for Bagui Scholars of GuangxiNational Natural Science Founda-tion of ChinaNational Natural Science Founda-tion of ChinaScience and Technology Major Proiect of Guangxi

2018GXNSFDA2810232018GXNSFAA138181GUIJIAOREN 201642HAOgxun-chxzs2018041gxun-chxzs20190262016A176177200612061015AA17204096

2020

10.19823/j.cnki.1007-1202.2020.0060

武汉大学自然科学学报(英文版)
武汉大学

武汉大学自然科学学报(英文版)

CSTPCDCSCD
影响因子：0.066
ISSN：1007-1202
年,卷(期)：2020.25(6)
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