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Mathematics
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  • Member for 7 years, 7 months
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"In mathematics, the art of asking good questions is more valuable than solving problems." (Georg Cantor)

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question
4
Transitive group actions and transitive subgroups
Jun 6, 2022
answer
4
Prove the roots of $z^7+7z^4+4z+1=0$ lie inside a circle of radius $2$.
Jan 6, 2021
question
4
Solving $7^{2020} \equiv x \operatorname{mod} 10000$ using CRT [duplicate]
Feb 9, 2021
question
4
Unique solution of $\dot{x} = f(x), x(0) = x_0$
Nov 14, 2020
question
4
Maximal solution and its domain of $x'(t) = x(t)^{x(t)}$.
Nov 1, 2020
question
3
Show that $f_n(x)= \frac{\sin^2(n^{\alpha}x)}{nx}$ is not uniformly convergent for $\alpha \geq 1$ and $x \neq 0$
Apr 28, 2018
question
3
Global Maximum of $f(x,y)$ on a set $M$.
Apr 12, 2021
question
3
Existence of holomorphic function $f$ such that $f^{(n)}(0) = n^{2n}$
Feb 18, 2021
question
2
Identity proof using levi civita
May 5, 2018
answer
2
Calculate the residue of $f(z) = \frac {e^{-z}} {(z+2)^3} $
Feb 17, 2021