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This question has gone for a while without an answer on MSE (despite a bounty that came and went) so I am now cross-posting it here, on MO, in the hope that someone may have an idea about how to broac …

Below are both references: links then screenshots. The first reference can be found in full here. In case permissions etcetera should change, below are screenshots of the pages: The second refe …

Edit [2023 Dec 7]: One of my specific wonders, along with that of students, is around when a recursive formula might have – or be expected to have – an explicit or closed formula. What is the mathemat …

Recently, I have been discussing inverses with a tenth grade class and integrals with an eleventh/twelfth grade class, and this has led me to the following wonder: Wonder. Is there a "reasonable" way …

This question is motivated by a real-world application related to an art project that involves displaying images, but my search hit a dead end after finding the wikipage about Kirkman systems (other r …

I am interested in the following problem, and will appreciate pointers around how it can be solved – partially or fully – and/or indicators around whether it is even tractable: Characterize $N \in \m …

Question: Is there a polynomial $f \in \mathbb{Z}[x]$ with $\deg(f) \geq 7$ such that all roots of $f$ are distinct integers; and all roots of $f'$ are distinct integers? Background: I asked a rel …

Hopefully this works: Cantor D.: On an extension of the definition of transfinite diameter and some applications Since you said that you had "been hunting for the following paper for quite a while," …

[Asking on behalf of a high school mathematics course, but responses written at any level are welcome!] I was recently reading over a nice puzzle called the four points, two distances problem: Fi …

Context: In formulating problems for secondary school mathematics teachers (and students) about absolute value functions, which we define as functions $\mathbb{R} \rightarrow \mathbb{R}$ that send $x …

(The final two sections are translated modulo tweaks...) I do not know the answer to your question, but I can try to translate (part of) this paper. There are some terms that are unfamiliar to me ( …

Perhaps the key term is tricorn? See Inou's Self-similarity for the tricorn (arXiv pdf) and its references. Sample excerpt:

Is it possible that the Liouville theorem you are thinking of is the boundedness theorem, whereas the result you have in mind is from a different paper of Liouville's? In particular, the paper: Li …

For each of these two questions, one can assume that the arrangements are polycubes (for which a definition can be found in the excerpt-image below). Question A. How does one arrange $n$ unit cubes t …

In trying to trace the history of forcing in an earlier MO question, I came across G.H. Moore's The origins of forcing. I think you can find in Moore's piece an answer to your question, too. On p. 164 …