Timeline for Can a hyperplane be contained in a subspace?
Current License: CC BY-SA 4.0
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 12, 2019 at 16:13 | vote | accept | Anupam | ||
| Jun 11, 2019 at 3:04 | answer | added | August Cleaner | timeline score: 3 | |
| Jun 10, 2019 at 19:46 | comment | added | Zach Teitler | What if $X=\mathbb{R}^2$, $Y=(y=0)=\{(x,0)\}$, $y=(1,0)$? Any extension $x^*$ looks like $(1,t)$ for some $t$, and then $\{x \in X \colon x^*(x)=1\} = \{(a,b) \colon a+bt=1\}$, not contained in $Y$. | |
| Jun 10, 2019 at 16:52 | history | asked | Anupam | CC BY-SA 4.0 |