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Stefan Smith
Age: 42
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Top Questions
19
votes
Prove that the set of $n$-by-$n$ real matrices with positive determinant is connected
linear-algebra
general-topology
matrices
determinant
connectedness
asked Feb 26 at 23:04
math.stackexchange.com
12
votes
smoothing a Sobolev function
analysis
sobolev-spaces
asked Dec 28 '11 at 3:11
math.stackexchange.com
11
votes
Do you need the Axiom of Choice to assert that every real vector space has a norm?
logic
vector-spaces
axiom-of-choice
asked Mar 10 at 18:03
math.stackexchange.com
11
votes
can I trust this numerical triple integral from Matlab?
numerics
matlab
asked Mar 1 at 2:25
scicomp.stackexchange.com
8
votes
Do you need the Axiom of Choice to accept Cantor's Diagonal Proof?
logic
set-theory
cardinals
axiom-of-choice
asked Feb 14 at 22:38
math.stackexchange.com
8
votes
is there a name for this function (parity of a finite sequence)?
combinatorics
matlab
maple
asked May 3 at 0:38
math.stackexchange.com
7
votes
Can I trust this numerical triple integral from Matlab?
numerical-methods
matlab
asked Mar 1 at 1:51
math.stackexchange.com
6
votes
Is this equivalent to bounded variation?
bounded-variation
asked May 28 '12 at 1:52
math.stackexchange.com
6
votes
Is the product of two positive semidefinite matrices positive semidefinite?
linear-algebra
matrices
asked Oct 28 '12 at 1:51
math.stackexchange.com
6
votes
Has anyone ever written a paper and put your name on it?
research
publications
ethics
asked Mar 8 at 0:40
academia.stackexchange.com
1
2
next
Top Answers
6
What Is the Correct Pronunciation of Beauxbatons?
scifi.stackexchange.com
6
Give two linearly independent $X_1,X_2 \in \mathbb{M}^{2 \times 2}(\mathbb{R})$ such that $L_A (X_1) = L_A (X_2) = 0$
math.stackexchange.com
5
assumed distance in metric spaces
math.stackexchange.com
5
looking for a norm inequality
math.stackexchange.com
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