current community
chat
MathOverflow
MathOverflow Meta
your communities
Sign up
or
log in
to customize your list.
more stack exchange communities
company blog
Stack Exchange
Inbox
Reputation and Badges
sign up
log in
tour
help
Tour
Start here for a quick overview of the site
Help Center
Detailed answers to any questions you might have
Meta
Discuss the workings and policies of this site
MathOverflow
Questions
Tags
Users
Badges
Unanswered
Ask Question
Profile
Activity
Network Profile
293
reputation
1
5
Bart
Apparently, this user prefers to keep an air of mystery about them.
5
answers
3
questions
~3k
people reached
Member for
4 years, 8 months
148 profile views
Last seen
Jul 5 '12 at 9:03
Communities
(2)
MathOverflow
293
293
1
5
Theoretical Computer Science
131
131
Top Network Posts
8
Complexity of Tensor Rank over an Infinite Field
View more network posts →
Top Tags
(11)
linearalgebra
Score
21
Posts
4
Posts %
50
matrices
Score
14
Posts
1
oc.optimizationcontrol
Score
5
Posts
1
na.numericalanalysis
Score
5
Posts
1
dg.differentialgeometry
Score
2
Posts
3
liegroups
Score
2
Posts
2
View all tags →
Top Posts
(8)
All
Questions
Answers

Votes
Newest
14
Is any $(n1)\times (n1)$ submatrix of an $n \times n$ Vandermonde matrix invertible?
apr 7 '11
5
Numerical linear algebra: how to compute $b^TA^{1}b$ efficiently
aug 27 '11
3
Orbits of semialgebraic actions
mar 31 '11
3
Smoothness along rays sufficient for global smoothness
aug 24 '11
2
Explanation of $y = x \exp(\triangle)$ for a Lie Group
apr 1 '11
1
Find the point on the Stiefel Manifold that is closest to a matrix
mar 31 '11
1
Bandwidth reduction of multiple matrices
apr 7 '12
0
Do surjections exist which are not submersions on a set of measure nonzero.
mar 30 '11
Badges
(6)
Gold
—
Silver
1
Rarest
Yearling
mar 30 '12
Bronze
5
Rarest
Teacher
mar 31 '11
Scholar
mar 31 '11
Supporter
apr 1 '11
MathOverflow works best with JavaScript enabled