Mathematics
Norbert's user avatar
Norbert's user avatar
Norbert's user avatar
Norbert
  • Member for 11 years, 10 months
  • Last seen more than a month ago
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The one you probably have not heard of.

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25
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Top posts
All Questions Answers
Score Newest
question
48
What was that? Chat with an "expert"
Mar 31, 2013
question
45
Suspicious behavior between two MSE users
Oct 10, 2012
question
44
Clever downvoting
Jul 6, 2014
question
12
Suggestion for new badge
May 3, 2013
question
6
Will split question feature be useful?
Dec 24, 2012
question
6
Annoying bugs when using Chrome
Apr 22, 2012
question
6
Three answers disappeared
Oct 7, 2012
question
3
Edited questions
Jan 2, 2012
Top network posts
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135
Relations between p norms
122
Continuous projections on $\ell_1$ with norm $>1$
68
Proving $\frac{\sin x}{x} =\left(1-\frac{x^2}{\pi^2}\right)\left(1-\frac{x^2}{2^2\pi^2}\right) \left(1-\frac{x^2}{3^2\pi^2}\right)\cdots$
49
How to show that quotient space $X/Y$ is complete when $X$ is Banach space, and $Y$ is a closed subspace of $X$?
37
Evaluating $ \lim\limits_{n\to\infty} \sum_{k=1}^{n^2} \frac{n}{n^2+k^2} $

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