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Mathematics
Aurora Borealis's user avatar
Aurora Borealis's user avatar
Aurora Borealis's user avatar
Aurora Borealis
  • Member for 6 years, 9 months
  • Last seen more than a week ago
  • Boston, MA, USA
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I am an undergraduate student majoring in pure mathematics in the states. I am interested in geometry, and mathematical analysis in particular.

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9
If $\{j_n\}$ is increasing and $\lim\limits_{n→∞}\frac{j_n}n=+∞$, then $\sum\limits_{n=1}^∞\frac{(-1)^{[\sqrt n]}}{j_n}$ converges
Jun 10, 2018
7
Finding the maximum cycle of a given set
Jan 27, 2023
6
Existence of a coordinate system
Apr 12, 2018
6
Some functional analysis problem
Jun 5, 2018
5
Number theory Mod divisibility problem
Oct 12, 2017
5
Shading the entire $i$-th row and $j$-th column of an $m\times n$ grid when $\gcd(i,m)>1$ and $\gcd(j,n)>1$, how many grids leave $x$ cells unshaded?
Jan 24, 2023
4
Ray problem (geometry)
Mar 24, 2023
4
High school combinatorics problem
Jan 12, 2023
4
Holomorphic functions which preserve orientation
Apr 21, 2018
4
Tricky Lebesgue problem
Dec 29, 2017
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15
Are lower interest rates bad for the lending perspective of banks?
14
If blackbody radiation at 6000K peaks in the optical, why aren't fluorescent bulbs at 6000K?
8
How do employers verify academic transcripts?
7
Graph theory teaching materials for young students
5
How does pH of soda drink vary with time