Timeline for Why ker(1) is a semi M-ideal in $\ell_1$?
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 29, 2018 at 14:52 | vote | accept | Tanmoy Paul | ||
| Aug 19, 2018 at 18:24 | comment | added | Dirk Werner | @Uri The complex case is much harder, see E. Behrends's paper in Math. Ann. 290, No. 3, 463-471 (1991). | |
| Aug 19, 2018 at 6:20 | comment | added | Uri Bader | That's for real valued $\ell_\infty$. Will you replace it with the circumecenter of the sets of values in complex case? I haven't check... | |
| Aug 18, 2018 at 20:57 | comment | added | shane.orourke | Welcome to MathOverflow Dirk! | |
| Aug 18, 2018 at 17:55 | review | First posts | |||
| Aug 18, 2018 at 18:36 | |||||
| Aug 18, 2018 at 17:54 | history | answered | Dirk Werner | CC BY-SA 4.0 |