Timeline for Square and stationary reflection
Current License: CC BY-SA 3.0
4 events
when toggle format | what | by | license | comment | |
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Oct 28, 2013 at 20:26 | vote | accept | Chris Lambie-Hanson | ||
Oct 28, 2013 at 20:26 | comment | added | Chris Lambie-Hanson | Yes, a Harrington-Shelah style forcing construction works for every regular, uncountable $\kappa$. In fact, it can be shown that, in the generic extension, we have a $\square(\kappa^+)$ sequence whose clubs avoid a stationary subset of $S^{\kappa^+}_\kappa$. I'm not sure about the situation for singular $\kappa$, though. | |
Oct 28, 2013 at 19:11 | history | edited | Asaf Karagila♦ | CC BY-SA 3.0 |
Stable links are better than non-stable links.
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Oct 28, 2013 at 18:50 | history | answered | Yair Hayut | CC BY-SA 3.0 |