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Matematicheskie Zametki, 2010, Volume 88, Issue 2, Pages 249–260
DOI: https://doi.org/10.4213/mzm8524 (Mi mzm8524) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Criteria for Unitary Congruence of Complex $2\times 2$ Matrices

Kh. D. Ikramov

M. V. Lomonosov Moscow State University
Full-text PDF (467 kB) Citations (1)
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DOI: https://doi.org/10.4213/mzm8524
Abstract: Canonical forms of $2\times 2$ matrices with respect to unitary congruence transformations are described. This makes it possible to formulate simple criteria for checking whether the given matrices are unitarily congruent.
Keywords: unitary similarity transformation, unitary congruence transformation, Specht's criterion, singular value, cosquare, Jordan block.
Received: 15.10.2009
Revised: 10.01.2010
English version:
Mathematical Notes, 2010, Volume 88, Issue 2, Pages 228–237
DOI: https://doi.org/10.1134/S0001434610070217
Bibliographic databases:
Document Type: Article
UDC: 512
Language: Russian
Citation: Kh. D. Ikramov, “Criteria for Unitary Congruence of Complex $2\times 2$ Matrices”, Mat. Zametki, 88:2 (2010), 249–260; Math. Notes, 88:2 (2010), 228–237
Citation in format AMSBIB
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    • This publication is cited in the following 1 articles:
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