Timeline for "Uniformly continuous" environment sum of a bijection $\varphi:\mathbb{Z}\times \mathbb{Z} \to \mathbb{Z}$
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 19, 2019 at 5:48 | vote | accept | Dominic van der Zypen | ||
| Jul 18, 2019 at 21:51 | answer | added | Pietro Majer | timeline score: 5 | |
| Jul 4, 2019 at 13:14 | comment | added | Dominic van der Zypen | Sorry forgot to specify this. I mean the Euclidean norm, i.e. $|(x,y)| = (x^2+y^2)^{1/2}$ for all $x,y \in \mathbb{Z}$. Equivalently we could take the "taxi norm" $|(x,y)| = |x| + |y|$ as $|(x,y)|= 1$ (in the Euclidean norm) iff $|(x,y)|= 1$ in the taxi norm for $x,y\in \mathbb{Z}$. | |
| Jul 4, 2019 at 12:57 | comment | added | Pietro Majer | And which norm is $|(x,y)|$ ? | |
| Jul 4, 2019 at 10:55 | history | asked | Dominic van der Zypen | CC BY-SA 4.0 |