« first day (3829 days earlier)      last day (88 days later) » 

1 hour later…
4:17 AM
A: Requests for Reopen & Undeletion Votes (volume 01/2022 - today)

FengDeleted Please vote for undeleting this question. This question was closed 11 days ago and deleted 8 days ago. I'm still confused by the deletion. In my opinion, this question didn't miss any contexts. He knows the limit of $f_n$, but he just didn’t know how to prove the uniform convergence, so h...

4:53 AM
Q: Variants of "3n + 1 problem" that fall into a 1-node cycle

mattrdowneyBackground Motivation Based on a previous question, I became interested in "3n + 1 problem" variants using $n \mod 4$ instead of even/odd (i.e. $n \mod 2$). One particular concept is based on bifurcation theory from the logistic map. Logistic Map For some time, I have wondered if there's a relat...

8 hours later…
1:17 PM
D1, D2, D3, D4
D5, D6, D7
1:35 PM
posted on July 07, 2022 by Jaejin Lim

Here my proof.https://vixra.org/pdf/2110.0033v1.pdf I'm sorry I don't know how to write.

two more delete-votes needed - note that only one reopen-vote is necessary to reopen this post !
2:02 PM
@ArcticChar Only D2 needs one more delete-vote
2:35 PM
"It is given in some book .I forgot the book name" is not useful context. :/ why every open subset of $\mathbb{Q}$ is union of sets of the form $(a,b) \cap \mathbb{Q}$?‭ - wasiu‭ 2022-07-07 14:30:38Z
2 hours later…
4:12 PM
Q: Strong induction on the maximum size of a set

CarlyleI'm currently working on an advancement of the Union-closed sets conjcture, and I have a whole cascading series of implications that follow from one claim, and try as I may, I have not been able to prove this claim (I will provide intuition for why it could be true later on) Given a union closed ...

C: PSQ got lots of upvotes from HNQ fame and still not closed.
5:38 PM
@user21820 Also a duplicate, I think.
3 hours later…
9:00 PM

« first day (3829 days earlier)      last day (88 days later) »