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].
@article{bwmeta1.element.bwnjournal-article-smv103i3p329bwm,
author = {Vladim\'\i r Muller and Andrzej So\l tysiak},
title = {Spectral radius formula for commuting Hilbert space operators},
journal = {Studia Mathematica},
volume = {103},
year = {1992},
pages = {329-333},
zbl = {0812.47004},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv103i3p329bwm}
}
Muller, Vladimír; Sołtysiak, Andrzej. Spectral radius formula for commuting Hilbert space operators. Studia Mathematica, Tome 103 (1992) pp. 329-333. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv103i3p329bwm/
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