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The explicit expression of the Drazin inverse and its application - MaRDI portal

The explicit expression of the Drazin inverse and its application (Q1789944)

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scientific article; zbMATH DE number 6950697
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The explicit expression of the Drazin inverse and its application
scientific article; zbMATH DE number 6950697

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    The explicit expression of the Drazin inverse and its application (English)
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    10 October 2018
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    Summary: We give explicit expressions of \((P\pm Q)_d\) of two matrices \(P\) and \(Q\), in terms of \(P,Q,P_d,\) and \(Q_d\), \((P\pm I)_d\), under the condition that \(PQ=P\), and apply the result to finding an explicit representation for the Drazin inverse of some \(2\times 2\) block matrix.
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