We introduce the notion of the L-core of a graph what enables a simple description of some properties of the eigenspace of the eigenvalue — 2 in generalized line graphs and an elegant formulation of ...
SIAM Journal on Numerical Analysis, Vol. 9, No. 1 (Mar., 1972), pp. 78-88 (11 pages) The spectrum of Ax - λ Bx = 0 consists of stable and unstable eigenvalues, which undergo, respectively, small and ...
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