The real positive definite completion problem for a 4-cycle

DOI10.1016/S0024-3795(01)00317-2zbMath1006.15012OpenAlexW4205485098MaRDI QIDQ5954849

Wayne W. Barrett, Mohammad Othman Omran

Publication date: 23 February 2003

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0024-3795(01)00317-2

zbMATH Keywords

singular pointspartial matrix4-cyclematrix completion problemnonchordal graphpositive definite completion problemtwo specified entries

Mathematics Subject Classification ID

Paths and cycles (05C38) Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Inverse problems in linear algebra (15A29)

Related Items

Null spaces of correlation matrices ⋮ EXTENSION OF BLOCK MATRIX REPRESENTATION OF THE GEOMETRIC MEAN

Cites Work

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• Positive definite completions of partial Hermitian matrices
• The real positive definite completion problem for a simple cycle
• Rank inequalities for positive semidefinite matrices
• The real positive definite completion problem: cycle completability