spectral radius and the norm of a matrix;
spectral abscissa and the logarithmic norm of a matrix;
Young’s inequality;
Hölder’s inequality;
Riesz theorem;
Hölder norm;
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摘要:
In this paper, both well-known and new properties of the spectral abscissa and the logarithmic norm are described. In addition to well-known formulas for the norm of a matrix and for its logarithmic norm in cubic, octahedral, spherical norms, various estimates for these quantities in an arbitrary Ho¨ lder norm are proved.