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Since you can't accept more than one answer, a common method to approximate fairness is to accept one, and vote up the other correct answers. One person will get 5 more points than the others.

I would like to thank Todd (whom I know to some extent) for telling us how MathOverflow came to be set up and also the people he mentions (whom I don't know) for doing it. I see it as an extremely va …

The comment vote rate limitation should be changed to 1000 comments per UTC day. Vote up if you support this alternative, and vote down if you are against.

The following is a feature request by Ali Sadegh Daghighi, here: https://meta.mathoverflow.net/questions/1032/how-can-i-keep-from-asking Problem: The problem is about frequent asking by some users i …

Thank you for your earlier support, Professor Myerson. I would like to request https://mathoverflow.net/questions/135605/how-to-discover-counterexamples-and-required-objects to be reopened. On the cla …

I recently started with MO, but I see it as a brainstorming session in a way. I was specifically trying to see how others would connect a Rubik's cube and calculus, as I was having a bit of trouble. I …

On meta: Ethical standards of the field of mathematics was closed and currently is at score +1/-7. I suppose the eccentric genius Perelman knows better than 5 users voting to close.

Well since you advice posting as an answer and saying that it's only a comment I will do it. As many commenters said, for infrequent user that is a quite bad threshold. The issue is in many topics I h …

In my opinion MathOverflow should allot sub-portal for open questions or conjectures. This sub-portal should be managed by community - the same which manage MO. The role of mathematicion is to ask que …

Given two fixed boolean algebras $\mathfrak{A}$, $\mathfrak{B}$ I define a poset, consisting of pairs $(\alpha;\beta)$ of functions $\alpha:\mathfrak{A}\rightarrow\mathfrak{B}$, $\beta:\mathfrak{B}\ri …

@AliTaghavi, you're very right that downvoting and removing questions without a comment is cowardly and immoral and often grossly abused. There is nothing about mathematics that requires secrecy. MO s …

Todd, read Schopenhauer to reflect on how too natural your sadness might be, but don't censor my opinions (biting or not) in response to others' opinions while retaining the initiating opinionated com …

Yes you/we should. I am "almost a newcomer". Also, I am an amateur with almost no formal training at a college but I have some training at a college and some of my own self-studied. And, although thi …

I had recently posted this answer which got 3 dvs plus a delete vote shortly after posting. I was quite upset by this because I was fairly confident with my answer as I actually read a considerable ch …

Please reopen this question https://mathoverflow.net/questions/473947/what-are-some-theorems-published-in-reputable-sources-that-are-widely-accepted-t which serves the mathematical community and is no …