Timeline for What does the image of the integer lattice under a norm look like?
Current License: CC BY-SA 4.0
10 events
| when toggle format | what | by | license | comment | |
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| Nov 6, 2019 at 17:24 | vote | accept | Mishel Skenderi | ||
| Nov 6, 2019 at 5:03 | comment | added | Noam D. Elkies | Also condition (2) is automatic from (1) once $S \neq \emptyset$: if $S \ni t_1$ then $S$ also contains $2t_1, 3t_1, 4t_1, \ldots$, so there is never a gap longer than $t_1$. | |
| Nov 6, 2019 at 5:01 | answer | added | Noam D. Elkies | timeline score: 6 | |
| Nov 6, 2019 at 1:52 | comment | added | Mishel Skenderi | Thank you; in fact, in my particular context, I also always assume $n \geq 2.$ | |
| Nov 6, 2019 at 1:50 | history | edited | Mishel Skenderi | CC BY-SA 4.0 |
edited body
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| Nov 6, 2019 at 1:41 | comment | added | Noam D. Elkies | Probably you want to require $n \geq 2$, because for $n=1$ the only allowed $S$ are arithmetic progressions $-$ but there are non-AP's that satisfy (1,2,3), such as the positive integers not congruent to $1$ or $5 \bmod 6$. | |
| Nov 6, 2019 at 1:03 | history | edited | Mishel Skenderi | CC BY-SA 4.0 |
fixed typo
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| Nov 6, 2019 at 0:55 | history | edited | Mishel Skenderi | CC BY-SA 4.0 |
added condition 3)
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| Nov 6, 2019 at 0:05 | review | First posts | |||
| Nov 6, 2019 at 5:37 | |||||
| Nov 6, 2019 at 0:02 | history | asked | Mishel Skenderi | CC BY-SA 4.0 |