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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 2×22×2 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 2×2 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 2×2 Matrices”, Mat. Zametki, 88:2 (2010), 249–260; Math. Notes, 88:2 (2010), 228–237
Citation in format AMSBIB
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  • https://doi.org/10.4213/mzm8524
  • https://www.mathnet.ru/eng/mzm/v88/i2/p249
    • This publication is cited in the following 1 articles:
    1. Marcellan F., Shayanfar N., “OPUC, CMV Matrices and Perturbations of Measures Supported on the Unit Circle”, Linear Alg. Appl., 485 (2015), 305–344  crossref  mathscinet  zmath  isi  elib  scopus
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    		Математические заметки Mathematical Notes
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