Zev Chonoles
  • Member for 11 years, 4 months
  • Last seen more than a month ago
6 answers
73 votes
16k views
How to draw a commutative diagram?
39 votes

It is possible to do (somewhat primitive) commutative diagrams using \array: $$\begin{array}{ccccccccc} 0 & \xrightarrow{i} & A & \xrightarrow{f} & B & \xrightarrow{q} & C &...

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3 answers
26 votes
3k views
How do I insert a table when asking a question?
35 votes

Regarding how to write general math expressions on the site, my answer here covers that well I think. Specifically for tables, you can use LaTeX's \array command. The tabular command, which only ...

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3 answers
-2 votes
4k views
Can we do anything to avoid losing Bill D?
27 votes

I am offended by your accusation that any of the moderators acted out of retaliation for Bill's criticisms of the site's policies. As far as you indicate in your post, you have no idea what the ...

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4 answers
33 votes
3k views
Why should we accept answers?
Accepted answer
26 votes

I'd say the main arguments for accepting answers are given in the FAQ posts in meta.SO on accepting an answer and accept rate, namely: rewards posters for solving your problem informs others that ...

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4 answers
-7 votes
2k views
Downvoting for no stated reason is abusive
25 votes

There is a discussion on meta.SO about this. While all the answers and comments are interesting, the answer given by Jeff Atwood, one of the two creators of the StackExchange network, says that people ...

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1 answers
22 votes
22k views
How to Write Math Equation Here
Accepted answer
23 votes

No need to be ashamed - it unfortunately is not clearly indicated where to see how to format math expressions on the site. You can find some good starting points on how to format mathematics on the ...

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1 answers
30 votes
2k views
How to center a figure in the post?
Accepted answer
22 votes

There's a meta.SO thread on this issue, though perhaps it's out of date. The advice there is essentially the same, though they suggest using repeated  's or spaces inside a code block to ...

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4 answers
28 votes
2k views
Take-home test policy
21 votes

Coincidentally, there was another instance of academic dishonesty earlier today, but I was unsure of how to respond to it; I asked the informer how they wanted it to be dealt with and acted ...

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1 answers
20 votes
367 views
Why are mathematical questions being asked on meta?
20 votes

I think that the primary (only?) cause is that the styling of the main site and meta site are not sufficiently distinctive for people unfamiliar with the Stack Exchange network. In contrast, ...

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1 answers
1 votes
201 views
Edited posts after 2,000 reputation
Accepted answer
18 votes

Now that you've reached 2000 reputation, your edits are no longer reviewed by others - you submit your edits and they go through immediately. Lots of people would game the system if there were an ...

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2 answers
24 votes
684 views
Is it time to expand the moderator team?
18 votes

This would be most welcome. In fact I recently wrote an email to the SE team about this possibility. I think that while our community is fairly quiet - most flags are just about people who posted an ...

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6 answers
10 votes
1k views
Gender-neutral pronouns, they, zie, hir
18 votes

I don't understand why Phira's question has received such a negative response - this is a completely valid issue to be discussed on meta. Take, for example, this question on what our policy should be ...

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4 answers
-26 votes
309 views
A feature request:Blocking the removal of a comment which was already quoted
17 votes

Difficult to decide when a comment should be considered as quoting another comment. Not an expected behavior - we'd get endless meta threads "Why can't I delete my comment?" Too easy to abuse (one ...

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10 answers
22 votes
1k views
Why do some answerers prefer full solutions to hints for homework and homework-like questions?
17 votes

I often try to give hints, but there are times that I post full solutions, and when that happens I'd say my reasoning is usually one or more of the following: I'm in a rush (or I just want to post ...

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1 answers
4 votes
404 views
Why are there only 2 moderators?
Accepted answer
17 votes

There are currently four moderators (Qiaochu, Willie, Mariano, and myself), and the two winners of the election will be added to make a total of six.

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1 answers
1 votes
326 views
Why am I losing points when i downvote someone else?
Accepted answer
16 votes

No, that is how downvoting is supposed to work. The loss of a point for each downvote on an answer (in theory) disincentivizes people from downvoting out of spite.

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2 answers
14 votes
420 views
How do you cite a reference in a comment?
16 votes

You should use the following format: [text](link) e.g. [Google](http://www.google.com/) See here.

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1 answers
5 votes
235 views
Why do some posts appear faded out?
16 votes

Answers that have a score of -3 or below are shown greyed out, to de-emphasize them.

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2 answers
17 votes
336 views
Why are there requirements for duplicated questions?
15 votes

I think the idea is that if the older question has no upvoted or accepted answer, then it may well be the case that the newer version has done a better job of asking the question, in which case it ...

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1 answers
3 votes
164 views
What should I do when I'm wondering if there's another outage that should be reported?
14 votes

I posit that a public report of any problem about a website should give a precise description of the problem you're having, ideally using both words and pictures give information about the OS and ...

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3 answers
22 votes
1k views
Questions about math grad school and such
Accepted answer
14 votes

I agree with your assessment. For some reason, the FAQ's list of topics that are explicitly welcomed does not include academic or educational aspects of mathematics, but nevertheless we have had good ...

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2 answers
14 votes
392 views
Downvotes and the maximum daily reputation
Accepted answer
13 votes

If you mean "should" in the sense of "the system is designed to operate that way", then yes, the order of votes matters. This is similar to how downvotes and upvotes don't commute for new users, since ...

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2 answers
12 votes
2k views
What is the accepted notation for natural logarithms, trig functions and powers?
13 votes

Write anything that you think is clear and understandable. Amendment by Lord_Farin: When you feel your notation may be less than universally understood (given the tags on the question etc.) cq. ...

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2 answers
5 votes
352 views
Is it possible a question actually "too localized" in MSE?
Accepted answer
13 votes

Here are some examples of canonical use of the "too localized" close reason. https://math.stackexchange.com/q/124513/264 https://math.stackexchange.com/q/269913/264 https://math.stackexchange.com/q/...

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2 answers
17 votes
777 views
Website plagiarizing math.stackexchange material
Accepted answer
13 votes

This site has recently been reported to the SE team. See also this meta.SO post.

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1 answers
-2 votes
152 views
message when responses are made to questions you have upvoted
13 votes

Personally, I think that there are far too many questions I've upvoted for notifications of activity on all of them to be practical to keep track of - I'd be swamped! Besides, the current setup of ...

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2 answers
8 votes
278 views
Mathjax/markdown issue
12 votes

The commands \lbrack and \rbrack are macros that produce [ and ] respectively, and MathJax has no problem when you use them instead of the symbols - see the comment below, which was produced by For ...

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1 answers
0 votes
363 views
What's wrong with this question?
12 votes

It originally contained the single statement Classify (up to ring isomorphism) all semisimple rings of order 720. A valid reason to downvote (hover over the downvote button to see) is that This ...

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4 answers
45 votes
4k views
Guidelines for good use of MathJax in question titles
12 votes

Markdown doesn't work in titles, so occasionally people will use MathJax as an approximation. $quod\;erat\;demonstrandum$             &...

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1 answers
4 votes
653 views
Accepting least upvoted answers - Troll?
12 votes

I would say that we shouldn't do anything - a user is indeed entitled to accept the answers they want. Whether or not one's answer is accepted is of relatively little consequence, anyway: the ...

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