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8 votes
1 answer

Is this question about the PCP theorem appropriate here?

I am a mathematician who is working toward understanding a proof of the PCP theorem. I am reading Arora and Barak's book Computational Complexity, and I've noticed what I think are a few errors (in ...
Andrew Kelley's user avatar
3 votes
0 answers

Is this question suitable for CS theory

I posted this question on cs.stackexchange but didn't get any answers. I was wondering if this is suitable for this site?
user774025's user avatar
5 votes
1 answer

How to ask for a clearer answer to an old question

Below I am mainly talking about the recent question “Counting number of increasing subsequences of length k” by orryowr, but I want answers which are not specific to this question. Suppose that a ...
Tsuyoshi Ito's user avatar
  • 16.5k
5 votes
1 answer

What should I do after posting an inappropriate question?

I have realized that I posted a question which was not suitable on the website. What should I do?
Tsuyoshi Ito's user avatar
  • 16.5k
3 votes
2 answers

Simple questions during reading papers

Currently I'm reading some few papers, sometimes I think something is wrong or I can't understand it, So I'll ask it in CSTheory, but simple comment helps me to find out my problem, after that I'll ...
Saeed's user avatar
  • 3,440
1 vote
4 answers

Wrong questions and wrong answers

What if someone posts an answer which, in fact, doesn't answer the question? What if, in addition, it is claimed in the answer that the question "is wrong"? Are there any moderating rules regarding ...
Leo's user avatar
  • 207
3 votes
1 answer

Does this question belong here?

I've asked this question at StackOverflow, and someone suggested asking cstheory.SE as well. If it does, should I copy the question, just post a link, or get a moderator to move it? https://...
Vladimir Panteleev's user avatar
12 votes
3 answers

A cstheory website for beginners

It seems that overzealous folks at Area 51 closed the proposal without giving it a fair chance. (Dave Clarke) -- is for mathematicians. ...
Pratik Deoghare's user avatar
2 votes
1 answer

Asking the question that should have been asked

The most recent example of the problem stated in the title is this question: what is more difficult to calculate from the viewpoint of a computer : the "sum" or the "maximum" of a finite set of ...
Suresh Venkat's user avatar
1 vote
2 answers

I've lost 5 units of reputation. How I can find out why?

I've lost 5 units of reputation. How I can find out why?
Oleksandr Bondarenko's user avatar
-3 votes
3 answers

On the Feasibility of Homework Questions

Current policy is to close all questions that "feel like homework" to at least five (high-reputated) people. Those more militant even downvote answers given by others even if those were hints rather ...
Raphael's user avatar
  • 4,565
1 vote
1 answer

CW list of expert opinions about an unsolved problem

In this question I wrote the following comment. I voted to close as I don't consider the question objectively answerable. I could imagine a version that would fit with the site, though. A community ...
Aaron Sterling's user avatar
21 votes
15 answers

How to ask a good question

The moderators spend considerable time on editing badly written questions. A possible way for reducing the number of badly written questions is writing down some guidelines (similar to the MO ...
6 votes
1 answer

Should we encourage a new user to register before he/she asks a question?

I have encountered the following situation several times on, or A new user asks a question. Someone answers, or someone points out ...
Tsuyoshi Ito's user avatar
  • 16.5k