On the joint spectral radii of commuting Banach algebra elements
Tom 105 / 1993
Studia Mathematica 105 (1993), 93-99
DOI: 10.4064/sm-105-1-93-99
Streszczenie
Some inequalities are proved between the geometric joint spectral radius (cf. [3]) and the joint spectral radius as defined in [7] of finite commuting families of Banach algebra elements.
