# Questions tagged [cross-posting]

Cross posting refers to posting the same, or almost the same, question (or post) on different sites in the Stack Exchange network (or possibly also elsewhere).

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### If I can't get an answer on math.stackexchange.com or dsp.stackexchange.com, when should I post here?

I have a question about finite fields that I posted on math.stackexchange.com a few weeks ago, for what seems to me like a tough problem, and I haven't gotten an answer (or figured it out myself).
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### Button for cross posts to/from Math SE

People explained me that it is possible to ask same questions in Math SE and MO, and I did this from time to time. I think it's very important to have this possibility, because often you haven't ...

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### Appropriateness of question on delay differential equations

Would my question below, posted on Mathematics Stack Exchange in May 2015 and having received no answers, just a couple of upvotes, be appropriate in level for MO? I recognize that cross posting is ...

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### Cross posts to Math SE

Are cross posts to Math SE allowed? As in almost exactly the same text, just posted there. Of course the sites are meant for difference things, but still just wondering. And if yes, should one link ...

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### I want to post a question on MathOverflow, but is it suitable?

I posted a question "A question on the remainders of integer division" on Mathematics one week ago. There is not any answer until now.
I do not think it is a question of professional level, but it ...

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**1**answer

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### Migrating a manifold learning question from CS theory to MO overflow

I just opened the following question:
Are there any learning algorithms with any provable guarantees for manifold learning or manifold regularization?
the question is mainly about algorithms and ...

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**1**answer

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### How to respond to premature crossposts from Math.SE?

There seems to be a general feeling (if not policy) to the effect that questions should not be simultaneously posted to MathOverflow and Math StackExchange (Math.SE). (I think there may have been a ...

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### Encouraging patience on cross-posts

I realize that there has been a lot of discussion about cross-posting an migrating between MO and MSE. It seems to me that it is common for someone to be unsure on whether a question is an MSE ...

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### When and how to post a question on scicomp.stackexchange.com

I have recently posted the following question on MO:
"Approximation with Predefined Topology of Niveau Sets", which received close to zero attention.
Igor Khavkine was so kind to make me aware of ...

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**1**answer

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### the correct way to “cross-post”?

Obviously is to not cross-post at all. If I asked a question on Math.SE the crickets chirp, how do I move it to MO? Or rephrase in an acceptable way?
I think we've all done it one or twice asked a ...

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### Close cross posts between here and MSE

If a question is cross-posted here and on the Math Stack Exchange, what's the policy to deal with these? For example take this question and its MSE twin.
Should one of them be closed?
If so, which ...