Mathematics
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donaastor
  • Member for 7 years, 9 months
  • Last seen more than a week ago
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All Questions Answers
Score Newest
question
16
If $f:\mathbb{R}^2\rightarrow\mathbb{R}$ is a polynomial on every line, is it a polynomial itself? [duplicate]
Jan 21
question
9
A non-zero function on $\mathbb{R}^n$ whose integral over any ball of radius $1$ is zero?
Jan 13
question
9
Can $\mathbb{S}^2$ wind around $\mathbb{S}^2$ twice, just like you would wind $\mathbb{S}^1$ around $\mathbb{S}^1$ $n$ times
Dec 8, 2022
question
6
Why $P(z)\text{sin}(z)+Q(z)\text{cos}(z)$ has only finitely many non-real zeroes?
Feb 25, 2021
answer
5
prove $\lim_{n\to\infty}n!\sum_{k=n+1}^\infty\frac{1}{k!} = 0$
Jan 9
question
4
Area of convex hull of 6 points greater than twice the sum of the areas of 2 triangles formed by the 6 points
Dec 23, 2015
answer
4
Show that $b^2+c^2-a^2\leq bc$.
Dec 13, 2022
question
4
The symmetry of conjugacy classes of a subgroup of a finite group
Jan 8, 2021
answer
3
Describe the Kernel of this Linear Transformation
Dec 14, 2022
question
3
Minkowski's integral inequality for other norms
Jan 19

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