Results 11 to 20 of about 58 (22)

Hoffman-Wielandt type inequality for block companion matrices of certain matrix polynomials

open access: yes, 2022
Matrix polynomials with unitary/doubly stochastic coefficients form the subject matter of this manuscript. We prove that if $P(\lambda)$ is a quadratic matrix polynomial whose coefficients are either unitary matrices or doubly stochastic matrices, then ...
B, Pallavi .   +2 more
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Angles, Majorization, Wielandt Inequality and Applications [PDF]

open access: yes, 2013
In this thesis we revisit two classical definitions of angle in an inner product space: real-part angle and Hermitian angle. Special attention is paid to Krein’s inequality and its analogue.
Lin, Minghua
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On the Coneigenvalue Decomposition of Sinclair Matrices

open access: yes, 2015
Dallmann, Thomas, Heberling, Dirk
core  
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An Algorithm for Coneigenvalues and Coneigenvectors of Quaternion Matrices

Advances in Applied Clifford Algebras, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Ling, Sitao   +2 more
semanticscholar   +7 more sources

Theorems of the Hoffman-Wielandt type for the coneigenvalues of complex matrices

Doklady Mathematics, 2009
\textit{A. J. Hoffman} and \textit{H. W. Wielandt} [Duke Math. J. 20, 37--39 (1953; Zbl 0051.00903)] proved that if \(A\) and \(B\) are normal matrices of order \(n\) having the eigenvalues \(\alpha _1,\alpha _2,\dots ,\alpha _n\) and \(\beta _1,\beta _2,\dots ,\beta _n\) respectively, then there exists a permutation \(\pi\) of the indices \(1,2,\dots ,
Ikramov, Kh. D., Nesterenko, Yu. R.
openaire   +3 more sources

Similarity relations and exponential of dual-generalized complex matrices

Analele Universitatii "Ovidius" Constanta - Seria Matematica, 2023
In this study, taking into account the fundamental properties of dual-generalized complex (DGC) matrices, various types of similarity relations are introduced considering coneigenvalues/coneigenvectors via di erent conjugates.
N. Gürses, G. Şentürk
semanticscholar   +1 more source

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