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Mathematics
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Thomas

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 3 years, 6 months
  • 482 profile views
  • Last seen 15 hours ago

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Top posts (208) All Questions Answers | Votes Newest

11 What's true in $\mathbb{R}^4$, false in $\mathbb{R}^3$ and uninteresting in $\mathbb{R}^5$? Jan 11 '16
8 Orientability of $m\times n$ matrices with rank $r$ Jun 14 '16
7 Liouvilles theorem question - show $f$ is constant Apr 6 '17
6 If $T^m$ is a contraction, has $T$ got a fixed point? Feb 19
6 How to prove the line exist? Dec 23 '16
6 “Every geometry is a projective geometry.” So is hyperbolic geometry a projective geometry? Oct 29 '15
5 Grassmannian, symmetric, idempotent matrices of trace $n$? Dec 20 '15
5 Let $S$ be the set of all circles on the unit sphere in $\mathbf{R}^3$. Give a smooth manifold structure to $S$. Jan 30 '17
5 Proof $x^3+ax^2+bx+c-e^x=0$ has at least one solution Jan 1
5 Showing that $\mathbb{Z}[i]$ is not isomorphic to $\mathbb{Z}[\sqrt{2}]$ Apr 5 '17
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