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JOURNALS // Zapiski Nauchnykh Seminarov POMI // Archive
Zap. Nauchn. Sem. POMI, 2000 Volume 268, Pages 72–85 (Mi znsl1291)
This article is cited in 5 papers

Optimally conditioned block $2\times2$ matrices

L. Yu. Kolotilina

St. Petersburg Department of V. A. Steklov Institute of Mathematics, Russian Academy of Sciences

Abstract: This paper provides a description of block $2\times2$ Hermitian positive-definite matrices that are optimally conditioned with respect to block diagonal similarity transformations.

UDC: 512.643

Received: 10.04.2000


 English version: Journal of Mathematical Sciences (New York), 2003, 114:6, 1794–1802

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© Steklov Math. Inst. of RAS, 2025