Gaiduk, T. N.; Sergeichuk, V. V.; Zharko, N. A.
(Луганский национальный университет им. Т. Шевченко, 2005)
V.I. Arnold gave a miniversal deformation of matrices of linear operators; that is, a simple canonical form, to which not only a given square matrix A, but also the family of all matrices close to A, can be reduced by ...