A Note on Operations Involving M-matrices and their Economic Applications

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Abstract

This paper studies conditions under which the class of nonsingular M -matrices is invariant under multiplication by and addition of matrices that are related to M -matrices and Stieltjes matrices. Also, special sums and products are considered. The applicability to the open Leontʹev model is discussed, namely perturbations of its technical coefficients matrix.
Lingua originaleEnglish
pagine (da-a)127-139
Numero di pagine13
RivistaControl and Cybernetics
Volume18
Stato di pubblicazionePubblicato - 1989

Keywords

  • Leontief model
  • M-matrices

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