Martin Sleziak
  • Member for 11 years, 5 months
  • Last seen this week
Will ads appear on MO?
Accepted answer
36 votes

You linked this post on Meta Stack Exchange: We're testing advertisements across the network (current revision). Notice that the post explicitly says: Due to an already existing agreement, ...

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History of MathOverflow
29 votes

History of MathOverflow Milestones September 28, 2009: MathOverflow goes online October 10, 2009: MathOverflow is announced at the Secret Blogging Seminar December 2009 Greg Kuperberg became the first ...

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My question was closed on MO because it is not research level. Where should I ask instead?
25 votes

Most sites are staffed by (unpaid) volunteers who expect questions with the intent, format, and content such that they can process the question for the site properly. You should look at the site ...

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What caused the spike in views and visits on September 23, 2018?
Accepted answer
25 votes

Per Andrew T.'s suggestion I am expanding my comment to an answer. The date you mention was rather close to the time when Michael Atiyah announced presentation of his attempted proof of Riemann ...

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Deleted posts visible to high reputation users
18 votes

Let me digress a bit and respond just to this part of your question: It is little embarrassing to know that my stupid answer/question is still visible to so many users. At least in the case of the ...

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What should I do when I see a spam post on MO?
15 votes

Any user with at least 15 reputation points should flag the post as spam. After 6 spam flags, the post is deleted. In addition to being deleted, even for users who can see the deleted posts, the ...

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What's the purpose of the favorite button?
15 votes

You can find links to some basic info on favorites here, specifically this post is rather detailed: How do favorite questions work? This feature request has been posted on main meta a few years ago: ...

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How to @ a user with non-Latin characters?
Accepted answer
14 votes

I am not sure about people using mobile devices, but on desktop using comment replies doesn't seem that different for users with non-Latin usernames. If I am in a comment where such user can be pinged,...

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Recognizing identifiable users changing user names
14 votes

Let me summarize what was said in commments and in chat. There are a few related feature requests on Meta Stack Exchange, but my impression is that they are unlikely to get implemented: Make the “past ...

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Can we get rid of the "featured on meta" main meta links?
14 votes

As mentioned in Emil Jeřábek's comment (which quickly gained several upvotes), at least some of the "network-wide stuff" (Meta Stack Exchange posts, blog posts) can be useful also for MathOverflow ...

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Restriction on Number of edits
14 votes

I probably should write a few lines about this, since the question was obviously a reaction to my edits. (But it will be certainly nice if some more experienced users share their view.) I consider ...

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How do I delete an accidentally created tag?
Accepted answer
14 votes

Simply remove the tag from your question, unless someone else uses the tag it will be removed in 24 hours. Here is a very similar question from meta.SO: I accidentally created a tag. How do I delete ...

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Can I somewhere see my own deleted questions?
12 votes

In fact, you can see any of your posts provided you have a link. So basically the question is - is it possible to find link to my deleted question if I did not save the link somewhere? There are two ...

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Make it evident that bounties are non-refundable or refund them on other people's questions
12 votes

The fact that the bounties are not refundable is pointed out in the help center and marked in bold: All bounties are paid for up front and non-refundable under any circumstances. Also the dialog ...

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Should we blacklist or delete the "research" tag?
12 votes

Suggestion: Burninate the tag research (rather than remove it manually). Burnination means that the tag is removed from all questions without any bumping. (Pointers to more detailed information about ...

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Do we have an unofficial quota on how many old questions one should bump for minor edits in a single day?
Accepted answer
12 votes

The OP wrote: I know on the old meta, now known as tea, such issues were discussed. I am collecting here some relevant threads which I was able to locate. I am making this CW - feel free to add more ...

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Top-voted questions for the year?
Accepted answer
11 votes

When searching on the site you can restrict the search to posts created in some date range using created:2021. You can also search only for question if you use is:q. If you sort by votes you get this ...

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Two traffic observations and questions
Accepted answer
11 votes

Is it possible that the question "Issue UPDATE: in graph theory, different definitions of edge crossing numbers - impact on applications?" might be partly responsible for the peak? This ...

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Is it possible to know the list of removed users?
Accepted answer
11 votes

Let me first say that I'll try to answer your question generally, not to concentrate on the specific user you're looking for. So I understand the question as: "Is it possible to find user account ...

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Is it possible to search for posts/questions of an user $X$ commented on/answered by the user $Y$?
Accepted answer
11 votes

You can find several suitable queries in data explorer or create your own query. (Even for users who do not know much about SQL, it's not that difficult to look up basic info on the database schema ...

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What's the point of having an *MO* chat without LaTeX enabled?
Accepted answer
10 votes

MathJax in chat You can find some information on MathJax in chat in the following posts from Mathematics meta: Should chat have TeX support? You can find in an answer a bookmarklet which you can ...

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the number of on line users at a given moment
Accepted answer
10 votes

As far as I know, there is no such thing. See also this post on Mathematics Meta. Number of people online. On main meta you can find some feature requests such as View approximate number of users ...

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2021 Moderator Election Q&A - Question Collection
9 votes

As a moderator you will need to know Stack Exchange software - both the parts available to moderators, but you need also know the stuff available to regular users. Do you consider your knowledge of ...

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Do we use the downvote button more than other sites?
9 votes

Here are some additional SEDE queries. (As my knowledge of SQL is rather limited, take all of this with a grain of salt.) Percentage of Upvotes and Percentage of Upvotes (multisite). MathOverflow ...

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Forbid (or rewrite) proxy links in answers
9 votes

It could be reasonable to collect some past examples of such proxies. This would help in assessing whether something like this is technically feasible. (And maybe also to which extent implementing ...

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Finding previously highly active deleted users
Accepted answer
8 votes

It is rather difficult to calculate the reputation exactly from SEDE1, but the total score (i.e., the sum of the scores of all user's posts) can serve as a reasonable proxy. Here is a query which ...

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2021 Moderator Election Q&A - Question Collection
8 votes

What would you consider as the "job description" of a MO moderator? Do you think that there are some things that should be added (or omitted) here: What do moderators do? Which activities, ...

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Customize the modal window for the first-time askers
8 votes

Let me give some initial suggestion. (I hope that somebody proposes a better version - seeing many well-written posts both on main and on meta, clearly many MO users are able to do so.) I have tried ...

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How to post a computer code by copy-paste?
Accepted answer
8 votes

As explained in the editing help, in MarkDown you can achieve preformatted text by using four spaces indentation. To achieve this after typing (or copy pasting) the code, simply select the relevant ...

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Is it a bad practise to add details (limited) to some one's answer?
8 votes

My personal opinion is that there are two options, depending on the situation: You could post a separate answer, clearly explaining that this is a more detailed elaboration of the other answer - both ...

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