27

I am definitely doing applied math and here my two cents: In applications of mathematics one has to face a lot of questions and issues that are not really mathematical like modeling of real world phenomena, tuning parameters in models or algorithms, software engineering or issues of implementation. Of course there are mathematical theories involved in all ...


25

Update: Included Questions/day in graph: (from this data, data from the creation of the universe MO here) "Doomsday" is the date of migration, June 25th. ("Tuesday" exactly one week before "Doomsday", this is partially to highlight the weekly fluctuation, and partially because it rhymes) You can clearly see the weekly fluctuation here (we have the same ...


17

The question has "migrated from ..." banner on the target site, so it is usually pretty obvious that such comments were written on the source site. Users can just flag them and they'll be cleaned up. Most questions need some cleanup anyway after migration, the tags usually don't fit exactly and there are some obsolete comments most of the time.


15

There is a broad consensus among most active users on MSE that questions should satisfy certain minimum quality standards. See for example this meta thread there. While MSE welcomes questions on all levels of mathematics, there are still standards on how questions there should be asked. They should tell the background of the problem, what the asker has tried ...


14

Disclaimer: Hi! I'm one of the community managers at Stack Exchange. I'm sure you've seen some of us and a few developers around over the last couple of days, sorting out last-minute issues and problems arising from the site upgrade to SE 2.0. Welcome! We're happy to have y'all here. Far as migration paths go, we'd be happy to set up up to 4 defaults for ...


12

I voted to close. Mathematics can be used in many other areas. However, the field of applied mathematics is different from the collection of all applications of mathematics. When you can't figure out what is going on in a chemical system, sometimes the problem is with your understanding of the relevant chemistry instead of the analysis of a mathematical ...


12

You can flag the post for moderator attention on MSE, choose the free-form flag and ask for a migration to MO. Another option, which is useful when the crickets really chirp, and you haven't got any comments either, is to simply delete the question and post it anew on MO.


11

The title here on MO will appear with the text [migrated] appended to it. (Compare to the addition of [closed] for otherwise closed questions.) It will also have a banner below the question that states that it is migrated to Math.SE. The question will appear on Math.SE with a banner below the question (near where the 'add comment' link is) that states that ...


10

A near duplicate of Manishearth's answer, showing the same graphs but with 7-day moving windows per François' suggestion. I think it's much clearer: My data is copied from Manishearth's with a few columns added to do the calculations. You can grab a copy and do further manipulations yourself.


10

One issue with cross-disciplinary questions such as this one is that they are often vague. Regardless of what disciplines are involved, such questions have a very slim chance of surviving on MathOverflow because they have a too broad range of interpretations. The odds that 5 voting users interpret the question in a way that they find off-topic are very high, ...


10

I would have nothing against such a question on MO. My guess is that it would be well received here. But I'm not a specialist in the topic, so you should not go by my word only. If you migrate it from CST to MO, you will lose your CST audience. If you feel that the MO community probably cannot answer all aspects of the question, it might make sense to cross-...


10

Thanks for bringing this up! I agree that there are many migration-worthy questions that are closed in a suboptimal way. As I was one of those who voted to close your example question "for wrong reasons"1, let me tell how I try to use the different off-topic closure reasons: Generally off-topic: I only choose this option if the question should not be asked ...


9

My memory of what happened is this: I was pinged to come over to the moderator chat room and was asked if we "wanted" three MSE posts to be migrated. I said I wasn't sure about the post in question, meaning I wasn't sure whether actual experts would keep it open if it were migrated -- the MSE moderator took that as a "no". I told the other MO moderators what ...


7

I think that questions in applied mathematics and mathematical modeling/understanding of issues from other sciences are suitable for MathOverflow and such questions should be encouraged. In my opinion UwF's Mpemba effect question is an excellent question of this type.


7

I updated the meta post. Another byte by byte copy of that question existed on Math SE prior to the migration, which is why it was automatically rejected by the system. We do appear to log this, I'm going to investigate getting the reason for the automatic rejection to be visible in the question's timeline that is visible to moderators. I'm not certain ...


7

I think the rate is up. I am trying something new, which is voting to migrate to MSE. I'm not sure to what degree the resulting move is visible to the OP, but if it is, the arrival at MSE should probably be more of a wake-up call than simple closing of the question here. Oh, there are some oddities about closing votes, the action taken may not be the ...


7

You can read all about migration and how it works here: What is migration and how does it work? As explained at that post, migrations should be done with circumspection; for a variety of reasons it's not a good idea to migrate something which is likely to be closed at the receiving site. Therefore the people best placed to judge when migration is ...


7

The question on MathOverflow has been restored. The corresponding question on Meta.MathOverflow has been deleted.


6

The obvious answers : academia.stackexchange.com and math.stackexchange.com.


6

It's just like voting to close--five votes to close with a majority1 of migration votes will just migrate it over. There is no queue on destination site's side (though I would like one), the whole process occurs on MO itself. If the folks at MSE close or delete it (except if it is marked as a duplicate), then the migration is "rejected", and the post is sent ...


6

Yes, it's possible, but as Anna Lear explained in an earlier answer, there are some requirements. There needs to be a clear pattern of questions to be migrated and the migrated posts need to have low rejection rate on the target site. In the mean time, if you need to have a post migrated, just flag the moderators and explain the situation. Moderators can ...


6

I already set this up earlier today, so... enjoy!


5

Perhaps the etiquette should now be to write comments with the expectation that such questions will be migrated. For example, a comment could be: "This question is better suited for math.stackexchange, rather than mathoverflow. I recommend it be migrated to MSE."


5

I am not an expert on the topic, so I can't tell if the question could be edited to make it on-topic. Typically questions that ask for homework help are not received well here, but exceptions are possible. It seems to me that the question would be fine at MSE and could have been migrated, but others may disagree. People who vote to close are often hesitant ...


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