Related DatabasesWeb of Science You must be logged in with an active subscription to view this.Article DataHistorySubmitted: 9 September 2019Accepted: 06 July 2020Published online: 08 October 2020Keywordsmatrix eigenvalues, time-varying matrix flows, eigenvalue curve, eigencurve crossing, Hund--von Neumann--Wigner theorem, Zhang neural network, numerical matrix algorithm, decomposable matrix, block-diagonal matrix, block-diagonal matrix reconstructionAMS Subject Headings15A60, 65F15, 65F30, 15A18Publication DataISSN (print): 0895-4798ISSN (online): 1095-7162Publisher: Society for Industrial and Applied MathematicsCODEN: sjmael