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Mathematics
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Lieven's user avatar
Lieven
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8
Is it possible to invoke the empty function?
May 28
7
What is the product topology on $\{ 1, \ldots, k \}^{\mathbb R}$? How does Tychonoff’s theorem imply that it is compact?
Jun 7
5
True or False: Inner product on $\mathbb{R}^2$ satisfying a specific norm.
May 17
4
How to find basis of vector fields?
Jul 10
4
The $n$th statement in a list of $100$ statements is "Exactly $n$ of the statements in this list are false". What can we conclude?
May 16
4
Why can't I integrate right away here?
May 29
4
Element-wise function that preserves matrix rank?
May 21
3
The Roman army has 2018 units guarding their provinces. Prove that after 64 days, there were no more provinces with at least 64 units.
May 25
3
Why is $\varphi$ differentiable?
May 16
3
Four Circles radii
May 29