scientific article

zbMath1446.15006MaRDI QIDQ3299349

Matteo Polettini, Albrecht Böttcher

Publication date: 22 July 2020

Full work available at URL: https://journals.uwyo.edu/index.php/ela/article/view/5335

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zbMATH Keywords

eigenvaluessingular valuesfinite-dimensional Hilbert spaceskew (oblique) projections

Mathematics Subject Classification ID

Graph polynomials (05C31) Determinants, permanents, traces, other special matrix functions (15A15) Eigenvalues, singular values, and eigenvectors (15A18) Hermitian, skew-Hermitian, and related matrices (15B57) Eigenvalue problems for linear operators (47A75)

Cites Work

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• Cycle/cocycle oblique projections on oriented graphs
• A gentle guide to the basics of two projections theory
• The many proofs of an identity on the norm of oblique projections
• On the norm of polynomials of two adjoint projections
• Unitary similarity of projectors
• On the norm of polynomials of two adjoint projections in Hilbert spaces

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