We compare the singular spectrum of a Banach algebra element with the usual spectrum and exponential spectrum.
@article{urn:eudml:doc:38571,
title = {A note on the singular spectrum.},
journal = {Extracta Mathematicae},
volume = {13},
year = {1998},
pages = {349-357},
zbl = {1054.46510},
mrnumber = {MR1695568},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38571}
}
Lindeboom (Groenewald), L.; Raubenheimer, H. A note on the singular spectrum.. Extracta Mathematicae, Tome 13 (1998) pp. 349-357. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38571/