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### Should questions be marked as “duplicate” if answered before, but a possibly better/simpler approach now used?

How to prevent possibly better/simpler approaches to a previously answered question from getting buried as a duplicate question ? Number of ways to arrange identical coins in a ring
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### Would like to dispute Duplicate Label-Chain Rule of Limits [duplicate]

I asked a question looking for a epsilon-delta proof for the Chain Rule of Limits, however the question was marked as a duplicate for a similar question but it does not provide the proof I was looking ...
623 views

### Request of suggestion for improving an answer about evaluation of $\lim_{n\rightarrow\infty} \frac{n\cdot 2^n }{3^n}$

My question is related to the following OP How can I evaluate $\lim_{n\rightarrow\infty} \frac{n\cdot 2^n }{3^n}$? The answer is $0$. But how? I've searched some links but all of them just quite ...
304 views

### What's the reason for deleting a particular thread twice?

I'm just curious why this thread was deleted twice. I mean, what's the motivation and how this happened? (Someone proposed it for deletion or something else happened?)
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### Why this type of questions are voted to be closed?

I recently asked a question which is desiring a learning map for the self-study of a subject in mathematics. In my opinion, it is not really seeking personal advice but it was voted by the others to ...
232 views

### Why is it still “unclear what you're asking”

This question was put on hold five days ago: Is using the twin sieve to find all primes numbers better than the sieve of Eratosthenes? After that I edited the question and tried to resolve all ...
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It happens that I proved an elementary result about the commutant (or centralizer) of a matrix; the result is elementary but nice and can be useful; the method is also elementary. my first reaction ...
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### Why do even high reputation users do not pay attention on close votes? [duplicate]

Recently, I have seen high reputation users, and top-reviewers (Such as amWhy, Shailesh etc.) voting for closing of questions, just out of the way. See this question. This is a nice question IMHO. It ...
586 views

### Poor treatment of new users - especially those asking interesting questions

Have others noticed a tendency for new users of mathSE to be treated poorly by existing users? The worst cases remind of some low-brow college fraternity where new users are expected to show they have ...
258 views

### Any moderators who know some logic? [duplicate]

Reopened Seems to me that How to Distinguish... needs a referee. On hold for lacking context, seems to me like a perfectly reasonable question. In particular it seems clear to me that at least one ...
159 views

### Question closed and answer down-voted even when answer is improvement over existing method [duplicate]

I asked a question about how to obtain closed-form solutions for a particular set of three equations. invert multinomial logit link with three unknown The question was placed on hold because it ...
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### Editing for On hold-question

On hold question is between open and closed. So if we add a suitble editing, then it can be reopen. If not, it may be closed in five days. Here I have a question : Other people can edit ? In site ...
465 views

### How to improve “Why's Applied Math 'more straightforward' than Pure Math?”

Please, how can I revise or improve my question? My request is here. Thank you all. I tried my best to avoid an "'opinion-based' question' by sticking to the advice underneath. But why was my ...