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Pedro
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Top posts

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76
Properly discontinuous action: equivalent definitions
Dec 27, 2014
55
$C^{k}$-manifolds: how and why?
Aug 31, 2014
52
Book recommendation on plane Euclidean geometry
Apr 22, 2011
44
Computing $\int_{-\infty}^{\infty} \frac{\cos x}{x^{2} + a^{2}}dx$ using residue calculus
May 3, 2012
21
Proving formula for product of first n odd numbers
Oct 2, 2011
16
References on density of subsets of $\mathbb{N}$
Apr 1, 2012
13
Cantor-Bernstein-like theorem: If $f\colon A\to B$ is injection and $g\colon A\to B$ is surjective, can we prove there is a bijection as well?
Jun 18, 2011
12
Does iterating $n \to 2n+1$ always eventually produce a prime number?
Dec 25, 2011
12
The Gram-Schmidt process is a deformation retraction
Jan 28, 2013
10
Do $S^n$ and $\mathbb{R}P^n$ admit the same number of linearly independent vector fields?
Jan 4, 2017

Top network posts

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15
Is the many-worlds interpretation really just an interpretation?
11
State of rigorous effective quantum field theories
8
de Rham cohomology with twisted coefficients and group cohomology
7
The shell theorem and the Hairy Ball theorem
7
Difference between Bell's inequality and CHSH