Mathematics
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Willie Wong
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Mathematician

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question
527
Does there exist a bijection of $\mathbb{R}^n$ with itself such that the forward map is connected but the inverse is not?
Sep 30, 2014
answer
259
Open problems in General Relativity
Jul 9, 2011
answer
130
Mathematical precise definition of a PDE being elliptic, parabolic or hyperbolic
Feb 11, 2011
answer
91
How to read letters such as $\mathbb A$, $\mathbb B$, etc., or $\mathfrak A$, $\mathfrak B$, etc.?
Jan 22, 2013
answer
89
Does a Fourier transformation on a (pseudo-)Riemannian manifold make sense?
Dec 11, 2010
answer
86
Is zero positive or negative?
Mar 13, 2011
answer
86
Difference between Fourier transform and Wavelets
Jan 16, 2013
answer
74
Mathematical explanation behind a picture posted (lifted from facebook)
Oct 19, 2011
answer
67
Is this Batman equation for real?
Jul 29, 2011
answer
51
Good book for self study of functional analysis
Oct 22, 2010
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What's the best way to write e-mail addresses?
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Does there exist a bijection of $\mathbb{R}^n$ to itself such that the forward map is connected but the inverse is not?
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Math and Wormholes
93
Citing a range of papers using numeric keys as in \cite{a, b, c} -> [1-3]
91
What are the advantages or disadvantages of using LaTeX for writing scientific publications

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