Timeline for Open questions about posets
Current License: CC BY-SA 4.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 16 at 22:21 | comment | added | Tri | @nomadictype Now $M(9)$ is known. chalkdustmagazine.com/features/the-ninth-dedekind-number | |
| Feb 9, 2019 at 23:59 | comment | added | Tri | I believe it was Yamamoto proved that if n is even, then M(n) is even. What can we say about n odd? Using an idea I have long forgotten, I think Ciucu and Stembridge got some data for n up to 19, with one exception (ether n=11 or n=13). | |
| Feb 8, 2019 at 20:49 | comment | added | Tri | I have an English translation of Dr. Korshunov's hundred-page paper. (Even he does not have an English translation.) | |
| Feb 8, 2019 at 3:37 | comment | added | nomadictype | Small correction: $M(8)$ is known, see OEIS sequence A000372 and Wiedemann, D.: A computation of the eighth Dedekind number (Order, March 1991, Vol. 8, Issue 1, pp 5-6). | |
| Feb 7, 2019 at 13:50 | history | edited | Mark Wildon | CC BY-SA 4.0 |
Corrected disjunctive normal form example
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| Feb 7, 2019 at 12:14 | history | edited | Mark Wildon | CC BY-SA 4.0 |
added 3 characters in body
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| S Feb 7, 2019 at 12:09 | history | answered | Mark Wildon | CC BY-SA 4.0 | |
| S Feb 7, 2019 at 12:09 | history | made wiki | Post Made Community Wiki by Mark Wildon |