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  • Large families of laplacian...
    Merris, Russell

    Linear & multilinear algebra, 19/1/1/, Letnik: 43, Številka: 1-3
    Journal Article

    Two graphs are isomorphic only if they are Laplacian isospectral, that is, their Laplacian matrices share the same multiset of eigenvalues. Large families of nonisomorphic Laplacian isospectral graphs are exhibited for which the common multiset of eigenvalues consists entirely of integers.