# All Questions

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### Help cleanup tags!

This is meant to agglomerate tags that need (occasional or regular) cleanup. That is tags that mean multiple unrelated things and need to be separated into more specific tags. Please follow the ...
750 views

### Request from PRIMES to keep an eye out for their problems

On m.SE last year there was a problem with someone cheating on the entrance problem set for the PRIMES high school research program at MIT. Selection for PRIMES for this year has begun, and they're ...
251 views

### Tag for Fragments of Peano Arithmetic

There are quite a few questions on the main site related to (first-order) Peano Arithmetic and its fragments. Here are two examples: 1, 2 (but there are many others). It would be nice, and feels ...
914 views

### Development of the MathOverflow community

From the Stack Exchange Data Explorer one can obtain the following data: Number of people who joined MO in the last 4 years and have collected at least 10000 points: 96 Number of people who joined ...
614 views

### Is “reciprocal voting” permitted?

I've noticed that when I ask a question on MathOverflow, or any StackExchange Site, and I either upvote or downvote an answer written by a high-reputation user, regardless of how old the question and ...
304 views

### How do I delete an accidentally created tag?

While posting this question, I meant to put the constructive-mathematics tag, but I accidentally just typed "con", thereby creating a "con" tag in MathOverflow. How can I delete it?
89 views

### Search not working?

When I load https://mathoverflow.net/search?q=topology (or any other search query) I get a Your search returned no matches. response.
666 views

### Who gets the reputation?

I asked a question on MO and it now has three correct answers, all more or less using the same strategy and similar to each other. If I accept all of them, do they all get the reputation they deserve?
638 views

### Who are the MathOverflow moderators?

Where can I find the list of MathOverflow moderators? How can I contact them?
168 views

When a user reaches 1000 reputation they become an established user. With that comes the ability to see the number of up and down votes on any post. While I have no problem with this privelege being ...
1k views

### What are reasons for allowing anonymous voting?

What reasons for anonymity of voting overcome the following objection? A down-vote fails to communicate what is thought to be wrong. Suppose I post a question that says "Doesn't the fact that $2+3=5$...
335 views

I've just gotten a downvote on an answer in main and it did not result in a decrease in my total rep. Is this normal?
302 views

### Two tags for partially ordered sets

There are currently two tags for partially ordered sets: posets and order-theory. In my opinion, they mean the same thing. I see three posibilities. Merge the tags. Make them synonymous. Keep them as ...
1k views

### Cancel the association bonus

There has been some previous discussion of the association bonus, c.f. The Association Bonus Is there an association bonus for this site? Can we please get rid of the association bonus for other ...
415 views

### moving questions between MO and math.SE

How does one decide if a question is good for MathOverflow or Math.StackExchange? I've been using the criterion of being "research-level" but that can be subjective. An expert may consider a ...
173 views

### Does anyone else experience this “browser-freeze” problem?

Both MathJax & ChatJax freeze my chrome and IE7 browsers running on Windows Vista for at least 2 minutes while it loads. The entire bowser is unresponsive, I can't even click on the start; ...
1k views

### Long-term archiving of MathOverflow

Suppose 'the worst' happens. Stack Exchange folds (commerical entities have been known to), and at the same time the moderators lose all interest and/or decide the despise mathematics. Where would ...
174 views

### Why are the number of profile views displayed?

Is there a reason why the number of profile views is displayed when I go to my profile? I don't think it is a bad thing, I just don't see the purpose.
212 views

### Projective geometry tags

Would it make sense to merge the tag projective-plane and projective-space into projective-geometry? It doesn't seem useful to have to search for each of these separately.
2k views

826 views

### Why are trivial answers upvoted more than answers that actually contain substance?

I have noticed that a two line answer that anyone can come up with usually has more upvotes than an answer that is more difficult to come up with. Is this trend simply a result of pure laziness as ...
360 views

### Usefulness of longer tags

This thread is meant as a place to discuss the utility (or lack of it) for longer tags. Currently, tags can have a maximum of 25 ASCII characters. That leads to interesting results such as ...
674 views

### Should “The probability for a streak when tossing a coin” be reopened?

The question "The probability for a streak when tossing a coin" is on hold. [Edit: It has been reopened.] I disagree with closing the question and voted to reopen. This problem may sound like it is ...
451 views

### Is it OK to ask the reason for a question to be on hold or closed in meta?

I don't know much about the culture of MO. So I would like to ask the following question. Is it OK to ask the reason for a question in the main to be on hold or closed in the meta?
1k views

### Why do they think this question is not of research level? [closed]

This question was originally asked in MSE about a year ago. Nobody has answered it. So I posted it here. I wonder why they think it's not of research level.