Theo Buehler

Member for 14 years
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55

Freyd-Mitchell's embedding theorem

Nov 30, 2010

48

Properly Discontinuous Action

Feb 24, 2011

41

Why the name 'separable' space?

Jan 8, 2011

34

Does there exist an isometry between $L^p$ and $l^p$?

Nov 18, 2012

29

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

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44

Example of a compact set that isn't the spectrum of an operator

May 29, 2011

34

Why are the integers with the cofinite topology not path-connected?

Dec 10, 2010

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+10

Why are the integers with the cofinite topology not path-connected?

+10

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?

+10

Morphisms of Banach spaces

+10

Freyd-Mitchell's embedding theorem

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