Mathematics
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abnry
  • Member for 9 years, 11 months
  • Last seen more than a week ago
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About

Used to be in a PhD program. Then I lost my ability to concentrate. So I do math by asking dumb questions here.

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All Questions Answers
Score Newest
answer
40
When to give up on a hard math problem?
Jun 4, 2014
answer
30
Fractional Calculus: Motivation and Foundations.
Mar 21, 2014
question
25
Continuous generalization of $\sum_{k=0}^n {n \choose k} = 2^n$?
Jan 10, 2014
answer
24
integral of $x^2e^{-x^2}~dx$ from $-\infty$ to $+\infty$
Dec 5, 2013
question
20
How many different shapes can I make with this toy?
Aug 1, 2013
answer
20
What's the best way to measure mathematical ability?
Oct 30, 2013
answer
19
Solutions for x!/y!=(y+1)!
Aug 30, 2013
answer
18
If $\sum a_n$ converges, prove $\sum a_n^3$ converges
May 16, 2014
answer
18
Prove that if $3\mid a^2+b^2$ then $3\mid a$ and $3\mid b$.
Mar 13, 2015
question
17
Proving the irrationality of $e^n$
Aug 27, 2013
Top Meta posts
6
2
37
Should questions asking to prove false claims be downvoted or closed?
23
Do users upvote questions or answers more?
14
What is the rate at which questions are typically upvoted?
14
Why do *you* answer questions on math.stackexchange?
10
Answers that do not help but take away attention
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60
Is it worth grading calculus homework?
14
Remedying poor interpersonal skills
13
How do materialists respond to the thought experiment of the perception of blue and red colors being swapped?
13
General strategies for solving metal disentanglement puzzles
9
How common is college graduation at an early age?

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