Mathematics
Fallen Apart's user avatar
Fallen Apart's user avatar
Fallen Apart's user avatar
Fallen Apart
  • Member for 8 years, 5 months
  • Last seen more than a week ago
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Apparently, this user prefers to keep an air of mystery about them.

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All Questions Answers
Score Newest
answer
38
Are there other kinds of bump functions than $e^\frac1{x^2-1}$?
Dec 19, 2016
answer
21
Prove that the Lie derivative of a vector field equals the Lie bracket: $\frac{d}{dt} ((\phi_{-t})_* Y)|_{t=0} = [X,Y]$
Sep 7, 2016
question
20
What follows from Axiom of Dependent Choice (DC) and what doesn't?
Jun 5, 2017
answer
10
Isomorphism between $\Bbb{R}^2 \times \Bbb{R}^2$ and $\Bbb{R}^2 \otimes \Bbb{R}^2$
Jun 19, 2015
answer
9
A star shaped open set in $\mathbb{R}^n$ is diffeomorphic to $\mathbb{R}^n$
Jul 30, 2015
question
8
Category theory from the first order logic point of view
Aug 5, 2017
answer
7
Where does the sum of $\sin(n)$ formula come from?
Jan 25, 2015
question
7
A naive conjecture about Taylor series convergence
Feb 5, 2018
question
7
How to verify satisfialibility in a model? (Confusions with Gödel's Completeness Theorem)
Jan 16, 2017
answer
6
Why $\displaystyle\lim_{n\to+\infty}x_n\otimes y_n=x\otimes y\;?$
Jan 30, 2018
Top network posts
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52
What are the open subsets of $\mathbb{R}^n$ that are diffeomorphic to $\mathbb{R}^n$
15
Where was $I_x/I_x^2$ first introduced? (DG or AG)
14
Are $\partial$-exact and $\bar\partial$-exact forms also $\partial\bar\partial$-exact?
12
When was the earliest appearance of Empirical Cumulative Distribution Plots?
10
An example of a non-geometric $C^\infty(M)$-module

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