Eigenvalue computations in the context of data-sparse approximations of integral operators

DOI10.1016/j.cam.2012.07.021zbMath1259.65218OpenAlexW2068039099MaRDI QIDQ455840

A. L. Nunes, Jose E. Roman, Paulo B. Vasconcelos

Publication date: 22 October 2012

Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cam.2012.07.021

zbMATH Keywords

numerical experimentsintegral operatorLagrange interpolationradiative transfer equationhierarchical matricesdata-sparse approximationKrylov-Schur methoditerative eigensolversnumerical librariesstellar atmospheres

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Numerical computation of eigenvalues and eigenvectors of matrices (65F15) Numerical methods for integral equations (65R20) Integral operators (45P05) Galactic and stellar dynamics (85A05) Computational methods for problems pertaining to astronomy and astrophysics (85-08) Radiative transfer in astronomy and astrophysics (85A25) Eigenvalue problems for integral equations (45C05)

Uses Software

• SLEPc
• hlib

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