# All Questions

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### In MathJax, how can one write a double underscript on a displayed summation sign?

Typically, summation is over some range, such as $k=1,...,n$, which might be written $$\sum_{k=1}^nx_k\quad\text{or}\quad\sum_{k=1,...,n}x_k.$$But suppose that the range is restricted by a further ...
74 views

### Looking for other math forums for more “soft” discussions

Well, I don't even know if meta is the right place to ask this, but I thought it suited more than the standard Math Stack Exchange. As a mathematics undergrad student, I usually face some questions ...
81 views

### Help sought in finding a question.

Caveat: The following question is mistaken and wrongly posted here. A question was posted asking for all natural-number solutions $(a,b)$ of the equation $\surd a+\surd b=\surd2009$. It was near the ...
61 views

This is a question about this post. The post was originally from the Mathematica SE site and was migrated to MSE (math SE) because the underlying question is one of mathematics rather than one of ...
62 views

### Embedding tikzcd diagrams

I know some tags are not supported, and some of them will likely never be (I have the <table> tag in mind). However, it is sometimes useful to embbed ...
62 views

### Edit highlighting seems incorrect

I believe the color highlighting here should be showing that the third formula $$\implies (\alpha-\beta ) z+\beta (\bar z +z) + \gamma - \alpha \bar z = 0$$ was changed to \implies (\alpha-\beta ) z+...
58 views

### Erroneous MathJax rendering

Look at the words "I am not sure" in the editing window and in the preview in this image. In the editing window they come after the expression that is shown following them on the next line ...
68 views

### Mathematical symbols in Mathematica and Stack Exchange

How may I transfer mathematical text (with symbols, etc.) from Wolfram Mathematica into Stack Exchange?
71 views

### Proposing several synonyms [closed]

I am using this thread to draw more attention to two synonyms I proposed on the tag management thread. Make finite-difference-methods a synonym of finite-differences. The new tag (methods) was ...
306 views

### Are there any users who have invested more than what they presently have?

Are there any Mathematics SE users who have invested more reputation points in bounties than what they presently have? How can one find out?
180 views

### How long should one wait before cross-posting?

In posting questions on MSE, I find that, if a question is not answered within a day or so, it will not receive an answer at all. Typically, I have waited for several weeks before cross-posting such a ...
118 views

### Is it possible to pay to get a quick answer? [closed]

Reading this section of the Stack Overflow site it seems that there are some payment services to have quick answers in any Stack Exchange community: is this true?
170 views

### What is just happening to my reputation?

I was at 1080 today in the evening and I suddenly saw that my reputation dropped down to 784 without any notification. I have been active only for 7 days. And even my individual daily reputations add ...
49 views

Is it possible to have a post with all the sandbox of ads that this site has cause they are useful and just searching them up year by year is quite hard? This is a more feature request about the ...
171 views

### Why are visual/graphical/intuitive solutions discouraged on MSE?

I have been active on MSE for around 3-4 days. I have noticed the fact that people either ignore or downvote intuitive/graphical/visual analogies of a problem. However I feel that intuition is one of ...
75 views

### Ability to bounty posts in meta posts [duplicate]

Sometimes you just like a post in meta so much that you want to bounty it and give it points. However it just sadly turns out this feature is unavailable, why?
235 views

### When a very short subject line is too long

Showing $\frac{|\overrightarrow{A_1B}|}{|\overrightarrow{A_1C}|}\frac{|\overrightarrow{B_1C}|}{|\overrightarrow{B_1A}|}\frac{|\overrightarrow{C_1A}|}{|\overrightarrow{C_1B}|}=1$ implies $AA_1$, $BB_1$,...
396 views

### Can I make this little table of diagrams better than ASCII graphics?

In my question How can one recognize when two Coxeter diagrams represent the same uniform polytope?, I have a simple table into which I want to put three little Coxeter diagrams. Here are the three ...
171 views

### What is exactly “This question doesn’t meet a Mathematics Stack Exchange guideline.”

I have seen many question that has been up-voted and answered very nicely but it has been voted to close 2 times with this reason: This question doesn’t meet a Mathematics Stack Exchange guideline. ...
186 views

### Why users are not saying at least some words about unacceptable (due to be silly) questions?

I have asked this question How combinatorics is related to the study of emergence in the complex systems theory? and now it is experiencing heaving closevoting. The question is not bad and I have ...
110 views

### Issue with vertical positioning of text with numbers

It seems there is something wrong with the text positioning on MSE site (seems alright on other sites as far as I've tried, including mathoverflow.net). Specifically if you type the following text in ...
330 views

### What is an appropriate format to ask help for a specific problems in a given book

I will do my best and try to self study Diestel's Graph Theory during the next few years. This will obviously result me asking help/proof checking in this forum, so I would like to be on the same page ...
82 views

### Can I repost any old question of mine?

I had asked this question a while ago (a month or two). It has two upvotes and $37$ views as of now, thus this question hasn't gone unnoticed. But the question was active only a month ago and I haven'...
70 views

### What is the minimum time difference between 2 questions?

What is the minimum time difference between 2 questions ? Like I have recently posted a geometry question but I also got a FE doubt and I want to ask it as soon as possible, but if I post it ...
510 views

### Is my workaround for the minimum character limit okay?

I tried to edit this answer, simply by adding 2 pairs of parentheses which fell short of the 6 character minimum limit. So I cancelled the edit and suggested the change via a comment, then the OP did ...
251 views

At the moment, Mathematics SE has tags hessian-matrix and jacobian. However, tag gradient is a synonym for tag vector-analysis. Why? Motivation Since tag gradient does not exist, tags gradient-...
141 views

### I propose that [political-science] be created

At the moment, Mathematics SE has tags biology, chemistry, economics, finance and physics. However, there is no tag for political science. tags game-theory, social-choice-theory and voting-theory. ...
27 views

### How to add images in questions [duplicate]

I have seen people put up images in their problems but when i try to add images from my device they never actually get added. I want to know how i can do it. Also want to know how to add images using ...
100 views

### What aspect of a question determines whether a soft question is a good fit for math.SE? [duplicate]

Note: This question is (in my opinion) not a duplicate of the question people have voted to close it for. I specifically cite that particular link, and am expressing confusion about how that answer in ...
1k views

### A strange hurry to get an answer

In several months since I have been re-registered, I have observed that some users are in an unusual hurry to receive a response. I was asking myself these days if some users ask a question at an exam ...
300 views

### Grounds for deletion of an answer?

Below I quote an answer that I posted. It was deleted. I do not know which users deleted it, so I cannot ask them what objections they had to it. Does anyone know a reason why such a thing ought to be ...
267 views

If I encounter a question that is, for example, missing context, so I give it a close vote accordingly, is the poster notified? Or should I copy the relevant blurb: Please provide additional context, ...
205 views

### Is the rollback attempt in this thread appropriate?

This is an issue with this specific question. Please look at the revision history here. I merely improved an attempt by the asker (which was written as a comment), making it clearer. I did not ...
810 views

### Vandalizing question posted by others

Today I found a rather weird case where a question had been vandalized by another user to a completely different question. I did a search here and saw a lot of posts on vandalizing questions posted by ...
218 views

### Who voted to delete an answer? [duplicate]

If someone votes to delete an answer that I posted and I don't know why, I could ask them what part of the posting they object to and use that information to edit the posting, provided I know who they ...
271 views

### “Related questions” have returned?

I was very pleased, just now, after clicking on some questions, to see the return of the column of "Related questions", which seemed to disappear for some time. Was this a bug that was ...
60 views

### Would it be useful to let users organize their questions/answers by custom tags? (tags only seen by myself)

I want a feature where I can organize my questions/answers in my math.stackexchange profile by some custom tags created and seen only by me. I want this feature because sometimes I forget which ...
96 views

### Is anyone else having trouble adding/removing tags to questions?

Normally you just start typing and after a few characters it autocompletes and you can see the suggestions. But now I can't see the drop-down bar. Anyone else experiencing this?
99 views

### If not flagging, how to dispute incorrect answers?

I was browsing the top sequences-and-series questions for fun and stumbled upon this problem, where the only answer is incorrect (the user misconstrued the problem and tiled $[0,1]^2$ with rectangles ...
24 views

I am using this RSS reader but it is days that it is not working very well. For example I am following this user and today it has been notified to me that he has an activity with the following link to ...
824 views

### Is self answering own questions a frowned upon practice in math-stack exchange?

I recently posted this question with an answer to it as well. I got two immediate downvotes, I'm not quite sure what I did wrong as it was a feature in stack exchange to be able to answer one's own ...
39 views

### Sharing MSE posts in other posts

When I want to share a post, I always first remove my user ID (the last number) from the link. Is this recommended or not? And why is my user ID there anyway?
148 views

### May I request reputation decrease from giving a downvote to a question?

Questions and answers were equally valued in the early days of stack exchange, in terms of reputation increases the same from an answer receiving an upvote as from a question receiving an upvote. ...
103 views

### Should we retroactively tag all relevant questions that are missing a relevant tag, or not?

For example, I've just now realized that, When searching questions that contain the word "palindrome" but do not contain the appropriate tag [palindrome], ...
182 views

### Feature request for unlocking competition questions after a given time

Feature request at low priority. Not to be escalated (Monday 31 Aug 2020). Further queries on this post are still allowed. Recently, I have been flagging a few posts required to be unlocked. All of ...
788 views

### Deleting 'thanks for help' from posts

What's the stance on edits where the only real change is deleting, "Thanks for the help in advance," or similar? I think it'd be best if the OP didn't write them in the first place but I ...
117 views

### Should reference-request / book-recommendation questions have different standards than 'less-soft' questions?

I frequently see these questions in the close queue flagged as opinion-based. I have mixed feelings about such threads: overall, I think they can be useful if people explain their answers (several ...
78 views

### Site with (full?) copy of stackexchange including translation [duplicate]

I came across that site/page antwortenhier.me This is exactly a question in stackexchange, but translated to german (using google?): judaism.stackexchange.com I came originally on this site "...