Timeline for Conjecture about union-closed families of sets - attempt 2
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
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| May 11 at 18:55 | comment | added | bof | You can disprove this conjecture with $23$ sets if you don't mind $\varnothing$ being one of the sets. | |
| May 11 at 8:19 | comment | added | Fabius Wiesner | This version of the conjecture was disproved with $25$ sets, so maybe it can be shown that attempt 3 needs more than $53$ sets, the current lower bound for a counterexample of the union-closed sets conjecture. | |
| May 11 at 8:02 | vote | accept | Fabius Wiesner | ||
| May 11 at 8:02 | comment | added | Fabius Wiesner | Thank you! I have started now attempt 3. I think it can't be restricted more than that. I think also that the requirement that the empty set is not in the family should not be relevant. | |
| May 11 at 7:46 | history | edited | bof | CC BY-SA 4.0 |
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| May 11 at 4:01 | history | edited | bof | CC BY-SA 4.0 |
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| May 10 at 22:31 | history | edited | bof | CC BY-SA 4.0 |
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| May 10 at 22:23 | history | answered | bof | CC BY-SA 4.0 |