User user1770201

user1770201

Member for 11 years, 1 month
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Socratic

Mar 31, 2017
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May 12, 2021

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Dec 16, 2021
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Jul 2, 2014
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Jan 30, 2020

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Nov 21, 2016
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Apr 25, 2014
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Apr 19, 2014

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complex-analysis

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Showing $\frac{\sin x}{x}$ is NOT Lebesgue Integrable on $\mathbb{R}_{\ge 0}$

Oct 30, 2012

Showing that every finitely presented group has a $4$-manifold with it as its fundamental group

May 9, 2014

Counter-examples related to Slutsky's Theorem.

Jun 16, 2016

What is a Universal Construction in Category Theory?

Mar 16, 2017

Showing that $1/x$ is NOT Lebesgue Integrable on $(0,1]$

Oct 31, 2012

Existence of a Strictly Increasing, Continuous Function whose Derivative is 0 a.e. on $\mathbb{R}$

Dec 19, 2012

Showing that $|f^{(n)}| \le n!n^n$ and then making this result sharper

Apr 21, 2014

Showing that $e^z$, $\sin(z)$, $\cos(z)$ have essential singularities at $\infty$

Apr 28, 2014

Showing that $\pi(M \# N) = \pi(M) \ast \pi(N)$ for $n$-dimensional manifolds $M$,$N$

May 9, 2014

Showing the existence of a continuous, strictly increasing function $f$ on $\mathbb{R}$ such that $f'(x) = 0$ almost everywhere

Apr 26, 2014