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On the 2-norm distance from a normal matrix to the set of matrices with a multiple zero eigenvalue

Journal of Mathematical Sciences (2006) 137(3) 4789-4793
DOI: 10.1007/s10958-006-0277-5
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Abstract

An elementary proof of a formula for the 2-norm distance from a normal matrix A to the set of matrices with a multiple zero eigenvalue is given. Earlier, the authors obtained this formula as an implication of a nontrivial result due to A. N. Malyshev. Bibliography: 4 titles. © 2006 Springer Science+Business Media, Inc.

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APA

Ikramov, K. D., & Nazari, A. M. (2006). On the 2-norm distance from a normal matrix to the set of matrices with a multiple zero eigenvalue. Journal of Mathematical Sciences, 137(3), 4789–4793. https://doi.org/10.1007/s10958-006-0277-5

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