Mathematics
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user73454
  • Member for 9 years, 9 months
  • Last seen more than 3 years ago
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8
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3
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10
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13
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All Questions Answers
Score Newest
question
9
Is there an irreducible projective hypersurface such that its complement has zero Euler characteristic?
Dec 29, 2015
answer
9
Prove that $\lim_{n\to\infty} (\sqrt{n^2+n}-n) = \frac{1}{2}$
May 6, 2014
answer
7
Prove that if $n$ is a positive integer then $\sqrt{n}+ \sqrt{2}$ is irrational
May 6, 2014
answer
7
Does bounded and continuous implies Lipschitz?
May 10, 2014
answer
4
Show that the form $w$ is closed but not exact
May 8, 2014
answer
4
Calculating the class group of $\mathcal{O}_K$, for $K=\mathbb{Q}(\sqrt{7})$?
Jun 4, 2014
question
3
Can you have solution for the equation $|\nabla f|^2=f\,\Delta f$, for a homogeneous polynomial $f$ with $\deg(f)>2$?
Jan 7, 2019
answer
3
A question in germs and multiplicity of zeroes.
Jan 20, 2014
answer
3
Inequality on lengths and sums of vectors $\left\lVert\sum_i \vec{a_i}\right\rVert \le \sum_i \left\lVert \vec{a_i}\right\rVert$
May 10, 2014
question
2
Lipschitz manifold and semi-algebraic is Lipschitz graph?
May 12, 2014
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7
When is a singular point of a variety ($\mathcal{C}^\infty$-) smooth?

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