Timeline for A pair of subset of natural numbers having density, but whose intersection has no density
Current License: CC BY-SA 2.5
4 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 7, 2011 at 8:21 | comment | added | felix | Oh, I'm sorry, I understood the question wrong... | |
| Apr 7, 2011 at 7:33 | comment | added | Valerio Capraro | I'm sorry, maybe my question was not clear, but this is not an example: I would need a pair of sets $A,B$ with density such that $d(A\cap B)$ does not exist. | |
| Apr 7, 2011 at 7:25 | comment | added | Daniel Litt | $0$ is a density. | |
| Apr 7, 2011 at 7:25 | history | answered | felix | CC BY-SA 2.5 |