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A Gersgorin Inclusion Set for the Field of Values of a Finite Matrix
1973
Proceedings of the American Mathematical Society
Preserved Fulltext
An easily computed Gersgorin type inclusion set for the field of values of an « by « complex matrix is presented. Some functional properties of this inclusion set parallel those of the field of values, and illustrative examples are given. G04) = Co(Ü{z:|z-aí,|^gi04)}).
doi:10.2307/2038816
fatcat:d44c3ifrqndetiemm4fzmvun3e