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Semi-inversion and properties of matrices invariants

Установлена связь главных инвариантов (ранга и сигнатуры) матриц $A, L= CAB$ и $M = A —ABL^+CA$, где $L^+$— любая полуобратная матрица. Сформулировано ряд следствий, отвечающих различным значениям множителей $B$ и $C$. В частности, для эрмитовой матрицы $A$ изучен характер изменения инвариантов в за...

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Bibliographic Details
Date:	1988
Main Authors:	Mazko , A. G., Мазко , А. Г.
Format:	Article
Language:	Russian
Published:	Institute of Mathematics, NAS of Ukraine 1988
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/9192
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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