Mathematics
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user20353
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question
22
Grad school & success in the long run
Nov 30, 2011
question
17
The Dimension of the Symmetric $k$-tensors
Dec 25, 2011
question
15
Learning Homology and Cohomology
Dec 3, 2011
question
14
Each point of $M$ has a smooth coordinate neighborhood in which the coordinate frame is orthonormal iff $g$ is flat
Dec 25, 2011
question
13
Covectors $\omega^1, ..., \omega^k$ are linearly dependent iff their wedge product is zero
Dec 30, 2011
question
12
Irreducible in $\mathbb{Z}[\sqrt{-5}]$
Dec 29, 2011
question
10
$\Omega=x\;dy \wedge dz+y\;dz\wedge dx+z\;dx \wedge dy$ is never zero when restricted to $\mathbb{S^2}$
Dec 30, 2011
question
7
Ring theory exercises at the graduate level
Jan 2, 2012
question
7
Unique symmetric covariant $k$-tensor satisfying $(\operatorname{Sym} T)(A,...,A)=T(A,...,A)$ for all $A \in V$
Jan 7, 2012
question
6
$e_1\otimes e_2 \otimes e_3$ cannot be written as a sum of an alternating tensor and a symmetric tensor
Dec 29, 2011

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