Timeline for Classification of $C^*$ algebras whose all non scalar elements have disconnected spectrum
Current License: CC BY-SA 3.0
4 events
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| Jul 3, 2017 at 22:18 | comment | added | Bert Lindenhovius | You are right. I edited my post, but as it is now it is actually quite irrelevant, since his algebras must be the commutative scattered C*-algebras. | |
| Jul 3, 2017 at 21:45 | history | edited | Bert Lindenhovius | CC BY-SA 3.0 |
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| Jul 3, 2017 at 17:48 | comment | added | Christian Remling | $K(H)$ doesn't work as an example: $\left( \begin{smallmatrix} 0 & 1 \\ 0 & 0\end{smallmatrix} \right)$ (for $H=\mathbb C^2$) is an element with connected spectrum. (I think Ali points out a general version of this in his answer.) | |
| Jul 3, 2017 at 15:08 | history | answered | Bert Lindenhovius | CC BY-SA 3.0 |