Timeline for Question about a characterization of Grothendieck spaces
Current License: CC BY-SA 3.0
10 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 15, 2021 at 17:26 | comment | added | Tomasz Kania | You may find this useful arxiv.org/abs/2102.03838 | |
| Jan 7, 2018 at 23:23 | vote | accept | M10687 | ||
| Jan 7, 2018 at 23:09 | answer | added | Yemon Choi | timeline score: 6 | |
| Jan 5, 2018 at 5:12 | comment | added | M10687 | @YemonChoi thank you, that certainly exposes the error. | |
| Jan 5, 2018 at 4:49 | comment | added | Yemon Choi | My previous comment had an embarrassing mistake, and I now think that your first claim is not justified (as you yourself suspected). The point is that althoug $X/\ker T$ injects continuously into something separable, that doesn't necessarily mean it is separable. Consider $\ell_\infty \to c_0$ obtained by multiplying the $n$th entry with $1/n$. | |
| Jan 5, 2018 at 3:19 | comment | added | M10687 | If $X$ is reflexive, then $X$ is the dual of a Banach space. It is a theorem of Argyros, Dodos and Kanellopolous that every dual of a Banach space has separable quotient: users.uoa.gr/~pdodos/Publications/13-Unconditional.pdf | |
| Jan 5, 2018 at 2:56 | comment | added | Yemon Choi | Why is it true that "if $X$ is reflexive we are done"? | |
| Jan 5, 2018 at 2:53 | history | edited | Martin Sleziak | CC BY-SA 3.0 |
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| Jan 5, 2018 at 2:45 | review | First posts | |||
| Jan 5, 2018 at 3:45 | |||||
| Jan 5, 2018 at 2:42 | history | asked | M10687 | CC BY-SA 3.0 |