Questions tagged [discussion]

The question you're asking is designed to solicit opinions or best-practices on a particular topic, with the goal of reaching community consensus.

268 questions with no upvoted or accepted answers
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491 views

Why was 'How to Discover Counterexamples and Required Objects' put on hold?

Please forgive me if I did not post this correctly. I'm writing following https://mathoverflow.net/help/reopen-questions. I would like to ask for my question to be reopened: https://mathoverflow.net/...
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167 views

Asking whether this question will be suitable and hence answered by people on MO ? ( I will use career and advice tag)

I am thinking of asking this question on the MO website which is due to the fact that how should I write/ explain the gap in my CV while applying for PHD programs in 2022. Very brief of the situations ...
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145 views

Self advertising and posting a candidate constructive proof

I would like to learn about appropriateness of posting a candidate constructive proof that decides a conjecture or open question and asking for counter examples that render the proof incorrect. The ...
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193 views

What is the correct action if the OP finds an answer incorrect (with a recent example)?

While I certainly think that the OP of the question Non trivial zeros of Riemann zeta function definitely abuses MO in a couple of ways, still I believe it is a good example for the question in the ...
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79 views

Appropriateness and cross-posting

I am interested in this question on math.stackexchange. To me it is interesting because while it looks "obvious" that there isn't a solution with 6 turns (I have some very partial results ...
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195 views

Impact of politics on the availability of video conference software for mathematics online conferences

I'm not sure that this is the best place for this post, but on the other hand I could not think of a better forum. Of course I understand if this post must be downvoted since it doesn't strictly ...
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79 views

Create usage guidance for 2-categories tag

The 2-categories tag has no usage guidance, can you help us create it? This is what the 2-categories tag page https://mathoverflow.net/questions/tagged/2-categories says. Can some one create usage ...
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131 views

Need advice on math enthusiasts forum

I am looking to find a forum in the Internet intended for math enthusiasts to discuss math ideas outside the question-answer format but at high level. Can anyone advise such sites?
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123 views

Would this question be suitable for MO?

I have asked What are some efficient ways to keep a note of results of a paper? in Academia SE. Would this question be suitable for MO? Is this better suited in MO than academia?
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42 views

Should I rewrite my question, or create a new one

I posed this question two days ago, which effectively asks "Has X hard-to-describe special case on Barnette's Conjecture been proven?". In retrospect, I believe it was a poor question. What I now ...
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155 views

Should this be moved to math.stackexchange?

I posted Lower bound on Carmichael Function and just assumed it belonged here, but after thinking about it for some time I'm not so sure. The Carmichael function itself might be encountered by other ...
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145 views

Ask for help in proofreading a book

In case, one had written a book manuscript, but it was not possible to find, by other means, proofreaders mathematically knowledgeable enough to proofread the manuscript, would it be appropriate to ...
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80 views

Display of differences between revisions

Being impressed by the visualisation of differences between revisions on this site (and MSE as well) I cannot resist to ask: what javascript libraries are used for this? I know that MathJax is used to ...
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203 views

What do you see to upvote an answer?

Question is as in the title? What makes you to up vote an answer? Most of my answers are with $0$ upvotes. I am trying to understand the reason. One of the reasons could be that mathematics that I ...
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211 views

Area 51 Proposal: Math Challenges

On September 1st, I started a proposal on Area 51, for users to share, discuss and answer mathematical challenges that they have. I did this because I felt that these types of problems have no place ...
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173 views

Is MathOverflow missing a tag for ODEs?

TL;DR: Is there a tag which is intended (only) for ordinary differential equations? If not, should there be one? The situation with the tags related to ODEs seems a bit unclear to me. AFAICT there is ...
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77 views

Does it make sense to have both "surfaces" and "curves-and-surfaces" tags?

I have noticed that there currently exist tags surfaces (with description "A surface is a two-dimensional topological manifold. The term can also be used to describe a smooth surface, depending on the ...
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76 views

Accepting an answer to a closed question

To my surprise I discovered that I can accept an answer to my question that has been closed. I am not sure whether it is "good" or "bad", my question is whether it is an intended feature and if yes, ...
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66 views

Tagging Answers?

Simple question: should the tagging of a question cover answers? Suppose I asked a question about a mathematical problem and in the answers contained for example: pointers to literature algorithms ...
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107 views

What should I do if I want to ask an almost duplicate question?

There already exists a question very like the one I want to ask, with a very partial answer by the OP. I want to ask the same question but restricted to a special case, for which I hope more can be ...
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193 views

Why was this question made community wiki?

Yesterday I asked a question seeking published references studying popular games, to start building up an undergraduate research program. Today I woke up to find it had been made community wiki. Now, ...
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178 views

Migration site list lacks entries

The question What is the integral of temperature over space called? obviously belongs elsewhere. Most probably the proper place is physics.SE, but in any case not here on meta, not on math.SE, and not ...
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40 views

Should I accept an answer to the "concrete" part of my question and ask another one about the "vague part"?

Suppose I am trying to prove a certain statement $S$ and find that a certain plausible statement $T$ implies $S$. However, I don't think that they are equivalent, and so there are possibly other ...
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67 views

Can one un-(vote to close) a question without voting to reopen?

Scenario (and it actually happened): I was first to vote to close a question as too broad; OP modified the question in such way that my objection did not apply anymore; this modification resulted in ...
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174 views

Why do we need the general-mathematics tag?

I recently came across the general-mathematics tag. It has no usage guidelines, nor do I think it should exist. Do any of you know the historic reasons for its existence, or think it should stay as it ...
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187 views

Is this combinatorial semigroup theory question suitable for MO?

The question is here. For convenience: Let $S=M_n(\mathbb{Z}_2)$. Let $D^{(n)}_2$ be the matrices in the rank $2$ $\mathcal{D}$-class of $S$. Find $$N_n=\left\lvert\left\{\begin{array} \, e &...
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85 views

Formatting: Diacritics outside of Formulas

I recently tried to write the name of the French mathematician Gâteaux in the correct way, i.e. with a circumflex over the first 'a'. Using MathJax formatting inside inline math or in formula, that ...
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79 views

Locating a question on zero-one vectors in the kernel of a matrix

I remember there was a question posted to MO about maybe two months ago or so which was, essentially, about the existence of zero-one vectors in the kernel of some matrix. Can anybody help me to ...
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179 views

The tags (transcendence) and (transcendental-number-theory)

There exist tags transcendence and transcend.-number-theory (probably shortened from transcendental number theory to fit 25 characters limit for the tag name). At the moment, the tag-info is empty ...
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90 views

How to Ask Multiple Very Specific Questions About New Applications of an Old Theorem

This question is a different flavor of this one, the difference being, that I am not looking for help in understanding something. My "problem" is, that while ramping up my knowledge about the ...
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253 views

Can I ask a question here whose answer I did not get at math.stackexchange?

I have asked a question about solution of heat equation at math.stackexchange but no one answered. I think may be the question is too professional to be asked from learners. As this platform is for ...
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291 views

Are we ready for a MathOverflow Overlay?

As varied as my participation in MathOverflow has been, I seem to gravitate towards number-theoretic issues involving $\phi$ and $\sigma$. I am considering writing an overlay article. This would be ...
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576 views

Algebraic Geometry Chat Room

At the request of Denis Nardin, I have started an MO algebraic geometry chat room at http://chat.stackexchange.com/rooms/23540/algebraic-geometry. For now I am the room owner, but I am happy to let ...
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532 views

Risqué and uninformative title.

I found the previous title of Realizing proper pure octonions as conjugates slightly risqué and also uninformative. So in the spirit of being bold I just changed it to something mathematical. I'...
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461 views

Reference Requests: Good Ways and Bad Ways

I would like to know of types of bad examples of MathOverflow questions that are tantamount to reference requests. I can think of two: a) A reference request for something that is properly outside ...
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247 views

Preferred Conciseness of Contributions

This is a followup question to Appropriate Reaction to a Failed Reference Request on MO related to Reference Request for Integer factorization with LP/ILP I'm about to prepare an answer that ...
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126 views

Is it appropriate to ask for references and point to a blog with the same question

I wonder if the community would find it appropriate if I ask a question like " Is this or that known? It would be interesting for this and that reason. For details see our blog "blah" where we ask ...
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171 views

soft-question tag for discussing mathematical best-practices

I asked a question about where people could store slides for future reference. As a discussion of best-practices in the Mathematical profession, I thought it was appropriate for the soft-question tag ...
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96 views

Too large font in the question names

Previously much more questions could fit one page in the question list. Currently the font is giant and the information is much less dense.
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223 views

Discouraging (Some) Upvotes

I'm tagging this as "discussion", not as a feature request, because I am quite agnostic about whether it's a good idea. That said: My subjective impression is that lately a lot of very bad/...
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78 views

Can I ask for advice or opinions about the choice of a variant of a theory?

Basically, I have 2 versions of a theory. This is like having two competing theories of complex numbers, one where $i^2=-1$ and the other where $j^2=1$ (hyperbolic numbers) or extending reals with $+\...
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95 views

Please help me improve my Q&A and possibly reopen certain questions

Prepare to downvote me. But don't think of not downvoting me just because I pre-emptively self-deprecated myself to put a show of humility. Just pretend I'm as arrogant as I may be perceived to be in ...
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87 views

Why did my profile picture disappear?

I discovered few days ago that my profile picture is gone, had to reupload it. Did anybody else encounter this? Do you know the reason?
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184 views

I want to answer a closed question

Please reopen this question: A problem of an infinite number of balls and an urn I have a nice answer. (Added (DR): now re-opened. Please note there are ten deleted nonsense answers, which I imagine ...
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100 views

Can I delete one of my posts that has been closed as off topic and received an answer with positive up-vote?

Can I delete one of my posts that has been closed as off topic and received an answer with positive up-vote? Should I delete all my posts that has been closed as off topic? (with/out answer)
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210 views

Would asking this question be permissible on the main site?

I have been working on a problem for days, that I previously mentioned on ComScience StackExchange. The answers were helpful. But, I need more information to develop a polynomial space algorithm. I ...
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137 views

Need details or clarity

I need some help to understand what is unclear with my question A reform of logic to secure naive set theory? and also what details are missing, from other persons perspective.
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102 views

Is my question for Math Overflow?

In the first paragraph of Prove or Disprove this Darboux-like sum of a function defined on infinite limit points converges to zero, I state that I do not know whether this is a research question. Is ...
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89 views

Setting up math Q/A site in foreign language

Now that my college shifted to online education because of the coronavirus, I would like to setup a MathOverflow style site in Hungarian where I could post exercises, and students could comment, post ...
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109 views

Would introducing an "operations-research" tag be appreciated?

What are your feelings about introducing an operations-research tag? I was tempted of introducing it but as it OR is also covered by combinatorial-optimization or graph-theory and maybe also other ...