The diagonalization map as submersion, the cubic equation as immersion and Euclidean polynomials

DOI10.1007/s00009-022-01996-6zbMath1485.15010OpenAlexW4212814887WikidataQ114232245 ScholiaQ114232245MaRDI QIDQ2113572

Mircea Crasmareanu

Publication date: 14 March 2022

Published in: Mediterranean Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s00009-022-01996-6

zbMATH Keywords

eigenvalueRiemannian submersionsymmetric matrixdepressed cubic equationEuclidean polynomialHermitian parameters

Mathematics Subject Classification ID

Determinants, permanents, traces, other special matrix functions (15A15) Eigenvalues, singular values, and eigenvectors (15A18) Hermitian, skew-Hermitian, and related matrices (15B57) Global Riemannian geometry, including pinching (53C20) Diagonalization, Jordan forms (15A20)

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