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Mathematics
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Aphelli
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35
Does removing finitely many points from an open set yield an open set?
Nov 16, 2019
28
Prove that the 23 people have the same weight.
Sep 25, 2019
20
Is there a "greatest function" that converges?
Feb 5, 2019
16
Has a conjecture ever originally been decided by constructing the proof with mathematical logic?
Feb 12, 2019
15
Series convergence without sigma notation
Dec 12, 2018
13
You're going to laugh, but the nonzero integers have a natural group law using multiplication and gcd formula (no addition!)
Jun 4, 2023
12
Is there any discernible pattern for the number list $\frac{7}{3}, \frac{5}{4}, 1, \frac{8}{9}, ...$
Oct 28, 2020
12
What is a Shimura variety and why should I care about them?
Dec 15, 2022
12
"Counterexample" for the Inverse function theorem
May 15, 2019
11
prove that : $\dfrac{a^2}{2}+\dfrac{b^3}{3}+\dfrac{c^6}{6} \geq abc$ for $a ,b ,c \in \mathbb{R}^{>0}$
Feb 12, 2019
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18
A story to do with Plato's cave, robots, and a vague dystopian twist
5
Existence of certain continuous curves
5
Does a random matrix over $\mathbb{Z}_q$ map linearly independent vectors to statistically independent vectors?