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math.RA2026
The Jordan canonical form of the Fréchet derivative of a matrix function and the bivariate Jordan problem
Vanni Noferini
Let be an algebraically closed field of characteristic . Given a square matrix and a polynomial , we determine…
math.RA2024
Rosenbrock's Theorem on System Matrices over Elementary Divisor Domains
Froilán Dopico, Vanni Noferini, Ion Zaballa
Rosenbrock's theorem on polynomial system matrices is a classical result in linear systems theory that relates the Smith-McMillan form of a rational matrix with the Smith forms…