Timeline for weak piecewise syndetic property for positive upper banach density set
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Dec 14, 2019 at 19:33 | comment | added | combimateur | Yes, I thought about the density. | |
| Dec 14, 2019 at 17:10 | comment | added | Anthony Quas | For the natural numbers starting with 7, $d^*(A)=1$. This is upper Banach density, the density in long sub-intervals; not the density in initial sub-intervals. | |
| Dec 14, 2019 at 10:48 | comment | added | combimateur | Great. Many Thanks. In fact this is not true that $d^*(A+\{1,\cdots, L\})\rightarrow 1$ when $L$ goes to infinity for $d^*(A)>0$ (take the natural numbers starting with a $7$...) so that I first believed my property was false. | |
| Dec 14, 2019 at 6:34 | history | edited | Anthony Quas | CC BY-SA 4.0 |
edited body; added 6 characters in body
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| Dec 14, 2019 at 5:25 | history | answered | Anthony Quas | CC BY-SA 4.0 |