Spectral radius formula for commuting Hilbert space operators
Tom 103 / 1992
Studia Mathematica 103 (1992), 329-333
DOI: 10.4064/sm-103-3-329-333
Streszczenie
A formula is given for the (joint) spectral radius of an n-tuple of mutually commuting Hilbert space operators analogous to that for one operator. This gives a positive answer to a conjecture raised by J. W. Bunce in [1].