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Deleted 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...

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Background 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...

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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.

C: PSQ.

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

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"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

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I'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.

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