17

This is not an answer expressing a preference, but one giving some resources for people to consider.
Intmath.com made a Speed Comparison Test between KaTeX and MathJax. MathOverflow is currently running MathJax 2.7.5; the new version that is MathJax 3 runs significantly faster.
KaTeX does run even faster still.
There are some breaking changes between ...

15

Need:
Most importantly, a true preview which shows me exactly what I have written and which I can look at without affecting my LaTeX.
Support for at least the symbols in standard LaTeX and amssymb (including amsfonts).
At least one of array or matrix.
Both inline and displayed math.
Currently have and very much want:
Simple user defined macros. (I'm ...

14

As nobody mentioned this here so far -- since last month (January 2021), zbMATH is completely open access.

12

I don't believe MO can do anything to make most grad students comfortable posting here. It wouldn't be compatible with the culture of the site or how its users see it (and some of the comments on this topic and in the linked posts make this point rather blatantly).
Speaking as someone who has used MO intermittently almost since its inception but ...

11

I can answer this part of the question with the Stack Exchange Data Explorer.
What is the maximum degree of a node in $G$? How are the degrees of nodes distributed?
This query shows a list of questions with the most links.
Question
Number of links
Proposals for polymath projects
48
Examples of common false beliefs in mathematics
47
Not especially ...

9

I think one thing that sometimes causes me to answer in a comment is if I suspect that the question, as stated, is not the one the asker meant to ask, and that seeing the answer to the question-as-stated may cause them to edit the question so that it asks something different. I don't like it when I post an answer to a question but then the question gets ...

discussion comments unanswered-questions

9

This is a very difficult question. However, I think that we could attract more graduate students (actually, more people in general) following three lines of action. Many of these things have been already said by a number of people in previous comments and answers, however I think it may be useful to collect them here.
Clarity and guidance: it is important ...

7

I'm writing this answer as a (pseudo)-grad student who is comfortable using the site, having no real publications or positions under my belt.
Disclaimer: Generally I try to avoid using the pronoun 'I' excessively in MO posts because it distracts from the mathematical content of the post, but I will be abusing it in this post and writing in a more informal ...

7

Perhaps it goes without saying, but a bad reason to vote to close is "because others have voted to close" or "because others have suggested closure in the comments". I almost wish one couldn't see how many people have already voted to close.
I bring this up because I think I've done this in the past, especially when I was new to close-...

5

I think the software limitations are a big part of the problem. In particular, how comments are integrated with questions and answers. The comments appear to give an opportunity for people to have a conversation, but this is discouraged. Trying to have a conversation and getting shut down is not welcoming. The chat feature is not threaded, and so it ...

3

Personally I have never used anything very complicated. I use inline maths, displayed equations and aligned sets of equations, sometimes with matrices. I can't remember whether I have ever used fancier aspects of the array environment, but it's not hard to imagine doing so. Sometimes I use commutative diagrams, but the current arrangements for that are ...

3

I'd add that the current help page on "What topics can I ask around here?" probably isn't helping.
After the bolded phrase
mathematical questions related to current research in mathematics
I would add something like
which you are well-placed to ask if you've had graduate-level training in mathematics or another mathematical discipline. (If you ...

1

This question has remained unanswered, in-spite of a bounty.
The question defines homogenous polynomials on directed graphs and seeks to obtain references for literature on such polynomials.
I was considering posting on Mathoverflow, but this link inspired me to first post it here and get some attention.
Also, it would be nice to know if you (the reader) ...

1

A paper by T. Chartier, P.P. Pach and myself describing the status of "Can we color Z^+ with n colors such that a, 2a, …, na all have different colors for all a?" has just been published.
Coloring the $n$-Smooth Numbers with $n$ Colors, The Electronic Journal of Combinatorics 28 (1) (2021), #P1.34. https://doi.org/10.37236/8492

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