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PVAL-inactive
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Top posts
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16
Why do I disagree with my calculator?
Jul 27, 2013
15
Prove there exists a unique $n$-th degree polynomial that passes through $n+1$ points in the plane
Jun 18, 2014
14
Why $\mathbb{RP}^2$ can not be embedded to $\mathbb{R}^3$?
Nov 20, 2014
14
Can $\mathbb C P^4$ be smoothly embedded in $\mathbb R^{12}$?
Dec 19, 2015
13
Digit in units place of $1!+2!+\cdots+99!$
Feb 24, 2014
13
Bounding $(x+y)^n$
May 13, 2014
13
Maps from $D^n$ to $D^n$ with a single inverse set are open.
Mar 18, 2015
13
Elementary proof of the fact that any orientable 3-manifold is parallelizable
Jan 17, 2015
12
Prove $f=x^p-a$ either irreducible or has a root. (arbitrary characteristic) (without using the field norm) [duplicate]
Aug 6, 2013
12
Under what conditions the quotient space of a manifold is a manifold?
Apr 16, 2015
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15
Simply-connected rational homology spheres
10
Taut foliations and closed leaves
8
Spin^c structures on manifolds with almost complex structure
8
Are 93% of meat worker marriages in shambles?
7
Homology 3-sphere with a unique Stein-fillable contact structure