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Theo Buehler's user avatar
Theo Buehler's user avatar
Theo Buehler
  • Member for 13 years, 5 months
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answer
54
Freyd-Mitchell's embedding theorem
Nov 30, 2010
answer
47
Properly Discontinuous Action
Feb 24, 2011
question
45
Example of a compact set that isn't the spectrum of an operator
May 29, 2011
answer
41
Why the name 'separable' space?
Jan 8, 2011
question
34
Why are the integers with the cofinite topology not path-connected?
Dec 10, 2010
answer
34
Does there exist an isometry between $L^p$ and $l^p$?
Nov 18, 2012
answer
28
If $f:R^n \to R$ is a smooth real-valued function such that $\nabla f : R^n \to R^n$ is a diffeomorphism, what can one conclude about the behavior of $f(x)$ at infinity?
Dec 4, 2010
answer
27
What's an example of a locally presentable category "in nature" that's not $\aleph_0$-locally presentable?
Dec 12, 2010
answer
23
Information about publishing and citations
Apr 1, 2011
answer
17
Non-regular Connected Hausdorff Banach Manifold
Aug 27, 2012
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227
Does the open mapping theorem imply the Baire category theorem?
222
Norms Induced by Inner Products and the Parallelogram Law
186
Continuous bijection from $(0,1)$ to $[0,1]$
106
Finding Value of the Infinite Product $\prod \Bigl(1-\frac{1}{n^{2}}\Bigr)$
92
Differentiating an Inner Product