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Stefan Smith

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 8 years, 6 months
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  • Last seen Jul 30 '15 at 23:09

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33 Prove that the set of $n$-by-$n$ real matrices with positive determinant is connected Feb 26 '13
24 Do you need the Axiom of Choice to accept Cantor's Diagonal Proof? Feb 14 '13
18 Closed ball is not compact Nov 9 '13
15 Smoothing a Sobolev function Dec 28 '11
14 Determinant of rank-one perturbations of (invertible) matrices Oct 23 '12
14 Do you need the Axiom of Choice to assert that every real vector space has a norm? Mar 10 '13
13 Why do people write stochastic differential equations in differential form? Oct 12 '13
12 What are some easily-stated recently proven theorems? [closed] Sep 27 '13
11 Is the Riemann Integral good for anything? Aug 30 '13
11 Why can't polynomials have negative exponents or division by a variable Nov 20 '13
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