Positive definiteness of tridiagonal matrices via the numerical range

DOI10.13001/1081-3810.1016zbMath0896.15013OpenAlexW586082MaRDI QIDQ4391457

Mao-Ting Chien, Michel Neumann

Publication date: 3 June 1998

Published in: The Electronic Journal of Linear Algebra (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/119559

zbMATH Keywords

numerical rangepositive definitenesssymmetric tridiagonal matrix

Mathematics Subject Classification ID

Norms of matrices, numerical range, applications of functional analysis to matrix theory (15A60) Hermitian, skew-Hermitian, and related matrices (15B57)

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