Questions tagged [exact-duplicates]
This tag is referring to the process of identifying and closing questions that are (abstract) duplicates of another question.
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Should this special case question (that has a proof) be marked as a duplicate of the general case question (that doesn't have a proof)?
I recently found this question: Proof of the Existence of All Phone Numbers in Pi
I understand why it can be seen as a duplicate of Does π contain all possible number combinations?, but the question ...
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Is it a duplicate if the same question exists in another site?
I often see some questions which are the same or similar to other questions on another site (Like AOPS, Math Overflow, etc.)
Is it a duplicate if other questions in OTHER SITES can answer the question?...
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What to do when you misidentify a duplicate?
Normally I don't like to refer to specific posts by other people, but this is about my own mistake so I think it's acceptable.
I recently proposed this question about the equivalence of the Axiom of ...
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How exactly are we incentivized to post links to duplicates?
So yesterday I came across a question (we'll call it Question $1$) which I found interesting, and after having spent a little time thinking about it without result, I started searching MSE for some ...
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Add a list of FAQs [duplicate]
I think that there should be a list of frequently asked math questions. Let a question be called a sub-duplicate of another question if it is that other question or it is closed as a duplicate of a ...
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Question closed as duplicate, but the linked question was deleted
This is related to Question closed as a duplicate, link points to question closed as a duplicate, but it is more problematic.
The question (Q) Prove that quotient topology $\mathbb{R}/\sim$ is the ...
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Closing a duplicate of a very old question
Normally I would vote to close a question which had been pointed out as a duplicate in a comment and which indeed was a duplicate. However, I noticed that the question concerned was originally posted ...
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How do we handle a chain of "duplicate" questions that are linked to a "missing context or other details" question?
The following chain questions are currently all closed:
Proving that $\langle x, y \rangle$ is a not principal ideal of $\mathbb{Q}[x, y]$
Non-principal ideal in $K[x,y]$?
The ideal $I= \langle x,y \...
user1046533
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When should posts be closed as duplicates?
One could answer " when they are the same" but what if a question is answered by combination of more than one old post?
So, let's say a question ask how to show a statement C from a ...
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Closing a post with multiple duplicates
Many questions posted on the site are duplicates, but sometimes it's not easy to identify the most perfect match. Frequently, for instance, there is an older question, itself a closed duplicate, that ...
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Close as duplicate when the "duplicate" appeared several years later [duplicate]
It does not make sense to me that you get your question closed when the duplicate causing it to be closed has appeared many years later.
And the question being closed already has a satisfactory and ...
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Questions being reported as duplicates despite the "duplicate" being a generalization to the other
I am a second year math student and a fairly new user of this page so there's still a lot of things I don't understand both in the site and about maths. This is why I tend to ask a lot of questions as ...
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About removing the reputation of suggested-edits and put that reputation to find duplicates
In the context of the current situation, and also, time ago situation, in part for the duplicate-questions on math.SE,
Could it be that, perhaps temporarily, the +2 reputation for the suggested edits ...
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Why can't I edit a new question in place of a duplicate?
I have $5$ or so duplicate/closed questions, which is hurting my "positive question record" statistic. So, I edited a useless duplicate question and asked a new question, which I was told &...
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Duplicates allowed from years ago, but mine are not
This is annoying. I spend $15$ minutes looking for resources online for a question I have, I check SE, approach$0$, all the wikis, etc. and have found nothing. So, I spend a good while writing up my ...
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Are questions about (problems with) specific approaches duplicates?
Recently this question about a classic contest problem was closed as a duplicate of another about the same problem. The closed question asks about a specific approach to the problem, though, and how ...
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Statistics of fraction of questions closed per month (posted that month itself)
Is there any way I can access the data of what fraction of questions are being closed as dupes per month. So, for example, I want to compare how many Qs posted in January this year was closed that ...
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Should we be more harsh on questions with answers elsewhere?
In this question and many others which I have seen, the question is an exact copy with little changes to itself on quora or other sites. I left a comment on the post with reference to the quora post, ...
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Can we have "2021: a year of EoQS"?
In Paramanand's questionnaire response, he suggests that the effects of the EoQS should be studied. This made me realise that I don't really know anything past the "theory" of the EoQS since ...
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Solution verification questions and duplicates: proposal for discussion
When a user posts a (solution-verification) question on a problem (often a standard problem), I tend to not vote to close as a duplicate, since the user is asking for feedback on their particular ...
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How to correct a duplicate flag?
I initially flagged this question as a duplicate of another question, but then realized the other question was not exactly a duplicate. I then found a better (exact) duplicate, and tried to correct ...
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Where to Place Answer to a Duplicate Question
I recently posted this answer to a question marked as a duplicate. I did check first that my approach had not previously been taken. Should I delete my answer and transplant the analysis as an ...
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Where should I post my answer?
Yesterday I answered this question:
What should be the technique applied here to get a equation of just $x$ to solve for $\cos x?$
At the time I answered, the question had some other answers. The ...
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A question was closed as being a duplicate. But it's not a duplicate.
I recently came across this question which was closed as being a duplicate of that question.
But if we read carefully, we see that there is a slight difference.
In "this question", it's ...
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Criteria for closing questions as duplicates
I recently came across this question which was closed as being a duplicate. When I read the linked source question, it was not a literal or even particularly specifically close duplicate, but in all ...
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Make linking of questions a transitive relation
Right now if $a$ is a dupe of $b$ and $b$ is marked as a dupe of $c$, then $a$ doesn't appear in the linked questions for $c$. It maybe helpful if question $c$ could inherit all the dupes from the ...
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Question with wrong answer used for duplicates
This question is being used as the main reference when people ask for proofs that $\binom{2^n -1}k$ is always odd, see for example here and here. However, the question and its accepted answer claim a ...
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Is there a canonical "What's the intuition behind integration?" question?
Is there a canonical "What's the intuition behind integration?" question? If not should we declare one? Either case here and here are two example of this question on SE. There are probably ...
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Probable homework question showing detailed work, followed by very similar question from another user, showing little work: flag as duplicate, or not?
Yesterday, a question was posted asking for comments on a fully detailed solution to what was obviously a coursework question. The OP's solution was essentially correct, just overly complicated. The ...
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Should duplicate closing be based on quality or on time of posting? [duplicate]
Here's a scenario: Suppose there are two persons X and Y, now person X posts a question about topic Z but with a poor title (and poor presentation overall), now some time later (maybe years) , person ...
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Duplicate flag was replaced by comment in my name
Yesterday I flagged this question:
restriction diagonalizable operator is diagonalizable
as a duplicate of this other question:
Diagonalizable transformation restricted to an invariant subspace is ...
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Enforcement of Quality Standards
Math SE has a long-standing policy regarding what constitutes a Good Question. The policy is intended to ensure that the collection of questions and answers here is of high quality, is searchable, ...
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Question closed after 4 years
I was surprised to see this
The multiplicative groups $\mathbb{Q}^\ast$ and $\mathbb{R}^\ast$ are not isomorphic question of mine, which is over 4 years old, closed today. I was alerted earlier today ...
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A possible solution to reduce answering of duplicate questions
The whole point of people answering duplicate questions which are duplicates without checking if similar queries exist before are because they will get points if they do so. So, the reason why people ...
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Advice on closing questions as duplicates
In a very recent question the OP had made considerable amount of progress in proving an inequality. The OP was only left to prove the inequality $x^2y+y^2z+z^2x\le \frac{4}{27}$. Myself knowing that ...
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How to quickly find duplicate questions which are not exact duplicates.
Some moderators are able to find duplicate posts which are not exact duplicates. That is to say even in the case where the question is posed completely differently but the solution uses similar ...
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How to flag a question that asks multiple duplicated questions?
How can I close Suggestions for a good statistics book and a calculus book? as duplications both What are the recommended textbooks for introductory calculus? and Recommend a statistics fundamentals ...
user851668
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Why do high rep, long time users answer duplicate or too similar questions on book recommendations?
Way too many duplicates to Selecting the Real Analysis Textbooks, Recommend a statistics fundamentals book, What is the best book to learn probability?! I feel that too many book recommendations ...
user851668
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Should duplicate PSQs be closed as duplicates?
Usually once or twice a day in the close queue, I find a question that is a PSQ (Problem Statement Question) and also a duplicate. Sometimes another reviewer explicitly links to the dupe, other times ...
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Merge request of two almost-identical answers
The answers https://math.stackexchange.com/a/831870/290189 and https://math.stackexchange.com/a/831830/290189 contain the same math equations with the same variables. The logic is the same, only the ...
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How to search for duplicate of this classic complex analysis question?
Aim
A quick search for duplicates.
Question
If $|f(z) |\leq 1 + |z|$, show that $f(z) = az + b$ is a recently-posted question. I tried to search for its duplicates on Approach0 but I didn't manage to ...
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Question closed as a duplicate, link points to question closed as a duplicate
This question about an isomorphism between a localization and a quotient of a polynomial ring was properly closed as a duplicate. However, the question identified as the duplicate is this, which was ...
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People behavior in math.stackexchange [duplicate]
I was struggling with a math problem and just went to send it to math.stackexchange in order to check my answer. but I see tsunami of condescension and arrogance. some people targeting the question ...
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Should I comment an old question or create a new one?
I have some questions about a Probability problem, which has already been asked and has a quite comprehensive answer. I am not arriving at the same result and I can not find out where my reasoning ...
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Merging questions with multiple duplicates (not a duplicate)
21 days ago from August 15, I asked my first question which looked like
$ a_1=1 ,\space a_{n+1}=a_n+\dfrac{1}{a_n} $
The question was marked as a duplicate by me undisputedly. But as being observant ...
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Can someone add a Differential Equations section to the List of Generalizations of Common Questions?
I was surprised that there isn't already a section on the List of Generalizations of Common Questions for differential equation questions. I'm especially thinking of those cookbook type "How do ...
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What to do with duplicates of deleted questions?
There are 109 questions that are closed as duplicates of deleted posts. This SEDE query lists all such posts.
Can we do something about these posts? One question is on its way to be Roomba'd and some ...
user279515
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My question got closed though it was not completely identical. [closed]
I recently asked this question: "Find the number of ordered pairs of integers $(x,y)$ such that $x^2+y^2-xy=37$" on the Math SE. My question got closed as a duplicate of
this question: "...
user754135
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Why aren't duplicates deleted?
Let's say a question is closed as duplicate and someone provided the link of the original question: Wouldn't it be better that duplicates are deleted off of the site? Or deleting them would be a ...
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Is context significant in determining if a question is a duplicate?
I was looking at a pair of questions:
Sum of random numbers and e constant
And
Expected number of (0,1) distributed continuous random variables required to sum upto 1
The rules of Math ...
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