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Fallen Apart's user avatar
Fallen Apart
  • Member for 10 years
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Top posts
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answer
55
What are the open subsets of $\mathbb{R}^n$ that are diffeomorphic to $\mathbb{R}^n$
Jul 29, 2015
question
16
Where was $I_x/I_x^2$ first introduced? (DG or AG)
Dec 3, 2017
question
14
Are $\partial$-exact and $\bar\partial$-exact forms also $\partial\bar\partial$-exact?
Feb 6, 2017
question
10
An example of a non-geometric $C^\infty(M)$-module
Jun 28, 2017
question
8
Connections and curvature in commutative algebra
Dec 12, 2016
question
7
Is there an upper bound on dimension of kernel of elliptic operator for a fixed closed manifold M
Feb 18, 2017
question
6
$C^k$ version of Hadamard's Lemma. Differentiability of the remainder
May 22, 2017
question
5
Hodge decomposition for Bott-Chern cohomology
Jun 21, 2016
question
4
Jet Nestruev's proof that the exterior derivative $d$ on a real line is not a Kähler differential $d_{C^\infty(\mathbb{R})/\mathbb{R}}$
Dec 30, 2021
answer
4
Mathematics for machine learning
Jun 12, 2021
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42
Are there other kinds of bump functions than $e^\frac1{x^2-1}$?
25
Prove that the Lie derivative of a vector field equals the Lie bracket: $\frac{d}{dt} ((\phi_{-t})_* Y)|_{t=0} = [X,Y]$
22
What follows from Axiom of Dependent Choice (DC) and what doesn't?
12
When was the earliest appearance of Empirical Cumulative Distribution Plots?
10
Where does the sum of $\sin(n)$ formula come from?