Approximating Coalescing Points for Eigenvalues of Hermitian Matrices of Three Parameters
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Publication:2848623
DOI10.1137/120898036zbMath1273.15008OpenAlexW2002500999MaRDI QIDQ2848623
Luca Dieci, Alessandra Papini, Alessandro Pugliese
Publication date: 26 September 2013
Published in: SIAM Journal on Matrix Analysis and Applications (Search for Journal in Brave)
Full work available at URL: https://semanticscholar.org/paper/5a54de07ea0df4efca8f2eb7132df16b0e851dfa
Factorization of matrices (15A23) Numerical computation of eigenvalues and eigenvectors of matrices (65F15) Eigenvalues, singular values, and eigenvectors (15A18) Numerical bifurcation problems (65P30) Numerical linear algebra (65F99)
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Takagi Factorization of Matrices Depending on Parameters and Locating Degeneracies of Singular Values ⋮ Coalescing Eigenvalues and Crossing Eigencurves of 1-Parameter Matrix Flows ⋮ Coalescing points for eigenvalues of banded matrices depending on parameters with application to banded random matrix functions ⋮ On the unitary block-decomposability of 1-parameter matrix flows and static matrices ⋮ Hermitian matrices of three parameters: perturbing coalescing eigenvalues and a numerical method ⋮ A local test for global extrema in the dispersion relation of a periodic graph ⋮ Locating Conical Degeneracies in the Spectra of Parametric Self-adjoint Matrices ⋮ Continuous Decompositions and Coalescing Eigenvalues for Matrices Depending on Parameters
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