Questions tagged [exact-duplicates]

This tag is referring to the process of identifying and closing questions that are (abstract) duplicates of another question.

Filter by
Sorted by
Tagged with
1 vote
0 answers
60 views

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 ...
user avatar
11 votes
0 answers
244 views

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 ...
user avatar
6 votes
0 answers
176 views

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 ...
user avatar
-8 votes
1 answer
154 views

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 &...
user avatar
-5 votes
2 answers
282 views

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 ...
user avatar
6 votes
1 answer
352 views

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 ...
user avatar
2 votes
1 answer
159 views

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 ...
user avatar
2 votes
0 answers
626 views

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, ...
user avatar
  • 620
29 votes
2 answers
2k views

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 ...
user avatar
  • 31.2k
13 votes
0 answers
621 views

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 ...
user avatar
7 votes
0 answers
86 views

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 ...
user avatar
  • 2,225
6 votes
1 answer
329 views

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 ...
user avatar
  • 22.1k
3 votes
0 answers
280 views

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 ...
user avatar
  • 140k
5 votes
1 answer
410 views

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 ...
user avatar
  • 996
12 votes
1 answer
337 views

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 ...
user avatar
1 vote
0 answers
92 views

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 ...
user avatar
0 votes
0 answers
73 views

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 ...
user avatar
  • 1,789
13 votes
2 answers
819 views

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 ...
user avatar
  • 18.2k
-1 votes
1 answer
109 views

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 ...
user avatar
0 votes
0 answers
85 views

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 ...
user avatar
1 vote
1 answer
106 views

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 ...
user avatar
  • 2,225
93 votes
4 answers
10k views

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, ...
user avatar
0 votes
1 answer
178 views

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 ...
user avatar
  • 15.5k
9 votes
0 answers
109 views

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 ...
user avatar
9 votes
1 answer
319 views

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 ...
user avatar
14 votes
0 answers
467 views

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 ...
user avatar
  • 1,377
4 votes
1 answer
189 views

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 ...
user avatar
27 votes
1 answer
1k views

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 ...
user avatar
18 votes
0 answers
394 views

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 ...
user avatar
-2 votes
1 answer
116 views

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 ...
user avatar
10 votes
2 answers
550 views

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 ...
user avatar
9 votes
1 answer
104 views

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 ...
user avatar
-4 votes
1 answer
281 views

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 ...
user avatar
  • 5,573
10 votes
1 answer
295 views

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 ...
user avatar
  • 105
2 votes
0 answers
80 views

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 ...
user avatar
1 vote
0 answers
102 views

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 ...
user avatar
  • 18.2k
13 votes
1 answer
364 views

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 ...
user avatar
-6 votes
1 answer
188 views

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: "...
user avatar
1 vote
1 answer
209 views

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 ...
user avatar
2 votes
0 answers
63 views

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 ...
user avatar
19 votes
2 answers
451 views

Flagged duplicate "Does this answer your question?" text is misleading

Here's at least the second instance in which I have flagged a question as a duplicate, and the canned comment text "Does this answer your question?" elicits from the author of the duplicate question a ...
user avatar
  • 112k
0 votes
0 answers
76 views

Unanswered Questions and chances of Decreasing Unanswered

Hello fellow stack members I have been trying to decrease the unanswered questions for this website, and even map out duplicates in the math that I know. You could look at my recent answered questions....
user avatar
6 votes
1 answer
91 views

Link to duplicate target does not show up

I voted to close this post as a duplicate of this other post recently, and the OP agreed with the close vote about an hour ago. Unfortunately, for some reason, the duplicate target header just reads "...
user avatar
  • 49.9k
37 votes
0 answers
542 views

Encouraging duplicate hunters

There are more and more duplicates on this site, but sometimes it is time consuming to find an earlier source. Now, there is a variety of moderation badges for editing, voting, reviewing, raising ...
user avatar
  • 36.2k
4 votes
1 answer
75 views

How to link a duplicate post to two different posts where there are answers?

Recently I've asked this question on MSE which has in fact two questions on it: Describe all $R$-modules of low order (up to isomorphism) Later, I realized that in two different posts there were ...
user avatar
1 vote
1 answer
91 views

What does "ask a new one" mean?

In this question it it written that: This question already has answers here: Sets. Classes. …? (4 answers) Your post has been associated with a similar question. If this question doesn’t ...
user avatar
  • 298
13 votes
0 answers
494 views

Asking a question which is pretty much a dupe

I want to ask a question, but it is basically a duplicate of a (5 year old) question already asked here and that question doesn't have an answer. Morally, any good answer to that question would be an ...
user avatar
11 votes
1 answer
161 views

How do I make sure my question is not a duplicate? [duplicate]

A couple of questions that I have asked on this site have been marked duplicates and I have seen people attach the link of the previously asked question quickly (not just on mine, but on all other ...
user avatar
0 votes
1 answer
104 views

I don't believe my question is a duplicate

I asked a question here which was closed for being a duplicate, and though I have edited the question to clarify why it was not it has not been reopened. To restate: the question I am asking is a ...
user avatar
  • 33
8 votes
1 answer
256 views

We have three question pairs closed as the dupes of each other

Digging in the SEDE, I've found 3 question pairs being each other's dupe. Namely: this and this, this and this, and this and this. Today we can't close a question as a dupe, if it would create such ...
user avatar
  • 2,619

1
2 3 4 5