One computes the joint and essential joint spectra of a pair of multiplication operators with bounded analytic functions on the Hardy spaces of the unit ball in .
@article{bwmeta1.element.bwnjournal-article-smv115i2p129bwm,
author = {Mihai Putinar},
title = {On joint spectra of pairs of analytic Toeplitz operators},
journal = {Studia Mathematica},
volume = {113},
year = {1995},
pages = {129-134},
zbl = {0835.47001},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv115i2p129bwm}
}
Putinar, Mihai. On joint spectra of pairs of analytic Toeplitz operators. Studia Mathematica, Tome 113 (1995) pp. 129-134. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv115i2p129bwm/
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