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mxian
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Undergrad interested in algebra.

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6
Lang's proof concerning ray class fields of imaginary quadratic number fields
Apr 23, 2022
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3
Lang's proof concerning ray class fields of imaginary quadratic number fields
Apr 20, 2022
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12
Are neighbourhood deformation retracts transitive?
7
Why is $\frac{1}{10}\left(\frac{9}{10}+\frac{8}{9}+\dots+\frac{1}{2}\right)\approx \frac{\sqrt{2}}{2}$?
7
Given $\mathfrak{q}$ in $L/K$ unramified, can we find $\alpha$ such that $L=K(\alpha)$ and $f'(\alpha)$ not divisible by $\mathfrak{q}$?
5
Prove $\sqrt{\frac{a^2+b^2+c^2+d^2}{4}}\geq\sqrt[3]{\frac{abc+abd+acd+bcd}{4}}$
5
Prove Positivity of a Function Involving $\log$.